Tuesday, October 25, 2011

Occupy Oakland: Police fire two more rounds of tear gas at crowd

Oakland Tear Gas
Police fired at least two more volleys of tear gas at supporters of Occupy Oakland on Tuesday night, the Oakland Tribune reported.

The gas was fired about 9:30 p.m. The violent clash between police and supporters of Occupy Oakland that began Tuesday evening appeared to have started after a man tried to start a fight with an officer, the Tribune said in a live blog from the incident.

Photos: Occupy Oakland protest

Police then declared an unlawful assembly and ordered the about 500 protesters to leave the area near 14th Street and Broadway by Frank Ogawa Plaza, the Tribune reported.

After the throngs refused warnings to disperse, police fired tear-gas and flash-bang projectiles toward the crowds.

The projectiles sent clouds of smoke billowing into the air in the area near City Hall, according to television footage from the scene.

ALSO:

Cross-burning not a form of free speech, judge rules

Downey officer who allegedly shot wrong man placed on leave

Woman pepper-sprays LAPD sergeant after finding him in her home

— Robert J. Lopez

twitter.com/LAJourno

Photo: People flee after tear gas is fired near 14th Street and Broadway in Oakland. Credit: Darryl Bush/Associated Press

Occupy Oakland: Protesters regroup downtown

Woman amid Oakland tear gas
Supporters of Occupy Oakland regrouped late Tuesday night at the downtown site where their clash with police began several hours earlier, as officers fired tear gas again around 10:30 p.m., the Oakland Tribune reported.

Earlier, police fired repeated volleys of tear gas into crowds that were gathered near Frank Ogawa Plaza by City Hall, according to Bay Area media reports. Officers also shot flash-bang devices at the throngs, according to the reports. Oakland police said they did not use the devices, blaming the explosions on people hurling firecrackers at officers.

Photos: Occupy Oakland protests

A few blocks away from the protest epicenter, at 16h Street and Broadway, a California Highway Patrol car had its windows smashed by people in the crowd, the Tribune reported. Man injured in Oakland

A dramatic photo on Twitter showed a lone sailor, decked out in white cap and blue uniform, holding a copy of the U.S. Constitution and veterans' flag as he stood face to face with riot-clad police.

One person was injured after he was apparently struck in the head by a projectile. Photos and television footage showed him bleeding.

The violence started Tuesday evening after about 500 marchers converged downtown to take back the area after the Oakland Police Department arrested scores of protesters in the early morning.

ALSO:

Cross-burning not a form of free speech, judge rules

Downey officer who allegedly shot wrong man placed on leave

Woman pepper-sprays LAPD sergeant after finding him in her home

— Robert J. Lopez

twitter.com/LAJourno

Photos: Top, protesters huddle together after tear gas was fired in downtown Oakland. Bottom: An injured man is cared for by friends. Credit: Darryl Bush /Associated Press.

A New Breed of Knee Injury in Young Athletes

Sometimes physicians will notice a medical trend well before science confirms its existence. That has been the case with injuries to the anterior cruciate ligament, the main ligament that stabilizes the knee joint, in young athletes. “Doctors who treat kids have all been saying over and over that the numbers of A.C.L. tears are going up dramatically,” says Dr. J. Todd Lawrence, an orthopedic surgeon and pediatric sports medicine specialist at the Children’s Hospital of Philadelphia. But surprisingly little firm data has confirmed that hunch.

So, for a study presented this month at the annual conference of the American Academy of Pediatrics in Boston, Dr. Lawrence and his colleagues parsed emergency room records of pre-adolescent youngsters treated at Children’s Hospital, looking for A.C.L. tears, as well as tears of the meniscus, the small pillows of cartilage that help to cushion the knee bones.

They also checked for fractures of the tibial spine, a fingerling spit of bone that extends from the tibia, or shinbone, to which the A.C.L. attaches. In prepubescent children whose skeletons are still growing, the slender tibial spine can be weaker than the tissues of the A.C.L. and break under the pressures of hard twisting or planting of the knee, even as the A.C.L. remains intact. “There was a time when the tibial spine fracture was the knee injury of childhood,” Dr. Lawrence says. “Twenty years ago, medical textbooks usually included a statement saying that kids did not tear their A.C.L., that they fractured the tibial spine instead.”

But when the researchers examined the pediatric hospital records, from 1999 through early this year, they found only 155 tibial spine fractures, while there were 914 confirmed A.C.L. tears and 996 meniscus tears. More important, while the incidence of tibial spine fractures increased at a rate of about 1 percent per year during that period, the incidence of A.C.L. tears increased by more than 11 percent per year. The difference almost certainly was not a result of better equipment leading to better diagnoses of A.C.L. tears, Dr. Lawrence says. “Even in 1999, M.R.I. technology was quite good,” so it was possible for physicians to differentiate between the injuries.

Which means that increasingly large numbers of young athletes, both boys and girls, are now suffering an injury to which doctors once thought they were almost immune.

Why? Scientists still aren’t sure, and that question was outside the scope of the current analysis. But Dr. Lawrence, a pediatric orthopedic surgeon who treats many of the afflicted young athletes, is willing to speculate. “I think it’s primarily because kids are out there trying to emulate professional athletes,” he says. “You see these very young athletes playing sports at an extremely intense, competitive level. Kids didn’t play at that level 20 years ago. They didn’t play one sport year-round.” As a consequence, their knees never had to withstand the kinds of repeated twists, sprints, loads and hard hits that young players now regularly absorb, he says.

Most of the A.C.L. tears that were treated at Children’s Hospital and picked up by this study, Dr. Lawrence points out, also involved a simultaneous meniscus tear, an indication of just how much wrenching and grinding the knee had undergone. Injury patterns have changed, he continues, because childhood sports have changed. “There’s a developmental soccer team here” in Philadelphia, he says, “for U-6 players,” meaning a competitive, select team for 4- and 5-year-olds. “When I heard that, I said, are you kidding me?”

The long-term effects of sports-related A.C.L. and meniscus tears in youngsters remain largely unknown, in part because such injuries were so rare decades ago. But there are indications that the consequences could be calamitous.

Recent studies of adult Swedish soccer players who tore an A.C.L. found that, within 12 to 14 years after the injury, 51 percent of the female players and 41 percent of the men had developed severe arthritis in the injured knee. The same time frame could have an injured 10-year-old dealing with a severely arthritic knee before he or she is 25. Meanwhile, many athletes who return to sports after an A.C.L. tear report that they don’t play as well, according to a new study of 500 Australian athletes, and a third of the athletes in that study did not return to any activity afterward.

“It’s definitely not a minor injury,” Dr. Lawrence says, “and it’s not something you want to see in a child.”

Whether anything can be done to lessen the toll on young knees, though, is uncertain, he and other researchers say. Knee injury prevention programs, including those that teach balance and proper landing techniques, have shown some utility in reducing the incidence of A.C.L. tears, especially in girls. But the programs are relatively new and have not been universally successful, in part, perhaps, because they can make some young athletes overly self-conscious, as an interesting review article published earlier this year suggests. In teaching children to think overtly about how to plant a leg or bend a knee while maintaining balance, some youngsters may become less fluid in their movement, more ungainly — and potentially ripe for injury, the review’s authors speculate.

A better solution would probably be to stop assuming that children can train like miniature Ronaldos or Kobe Bryants. “A lot of what we see in our injury data is almost certainly due to a statistical measure called exposure hours,” Dr. Lawrence says. “The more you do a risky activity at a high level, the more likely you are to get hurt.” His advice? “Encourage kids to play multiple sports and not to do any one sport year-round, and especially not when they’re 5 or 6, or even 9 or 10. They’re kids. Let them play and have fun, like kids.”

Think Like a Doctor: Ordering the Right Test

The Medical Mystery: What tests need to be ordered to help reach a diagnosis for a young woman with chronic pain that has lasted for a decade?

The Diagnosis column of The New York Times Magazine regularly asks Well readers to sift through the details of a difficult medical case and solve a diagnostic riddle. This month’s puzzle is a two-part challenge that will require you to really think like a doctor. That’s because, just like the real doctor involved in the case, you’ll need to decide what tests should be ordered based on this patient’s medical history.

Post your test request, and if the test was actually ordered, I’ll post the results in the comments section throughout the day. Follow the test results, and once you have figured out the diagnosis, post your answer. The first person with the right diagnosis gets a copy of my book “Every Patient Tells a Story,” and the satisfaction of solving a tough, tough case.

Let’s get started.


The Presenting Problem:

“Will you see my sister?” the young woman asked. Dr. David Podell’s office had told her the doctor wasn’t taking new patients, but she wondered if he would see her sister just once. “She’s so sick and has been to so many doctors, and no one knows what she has.” The woman had heard Dr. Podell described as a kinder and gentler version of Dr. House, the cantankerous television doctor who specializes in medical mysteries. Dr. Podell was a rheumatologist who specialized in odd diseases and who might, she hoped, be able to untangle the complex case presented by her older sister’s mysterious illness.

Dr. Podell listened to the woman, a colleague of a colleague, as she briefly laid out the story of her sister, now 32, who over the past 10 years had become completely disabled by strange pains and odd episodes of weakness that no one could explain. She handed Dr. Podell a letter her sister had written to him. It painted such a picture of suffering that he knew he would have to say yes.

“I am very desperate for help and I am struggling every day all day without relief,” the sister wrote.

“I have heard you are the best and if there is help out there you are the one” who will make it happen, she continued. “Please give me back my future.”

(You can read the entire letter below; click on the box in the lower left to expand in a new window.)


Dr. Podell wasn’t sure he could help, but he agreed to see her. However, she lived in Ohio, and before she traveled all the way to Middlebury, Conn., to see him, he would need to get a copy of her medical records with all the testing she’d had done, and he would need to talk with her by phone.

The Patient’s Story:

Dr. Podell called his patient-to-be that Saturday afternoon. Her voice was soft and high-pitched, making her sound younger than her 32 years. She told him that she couldn’t really remember when it all started but that her whole life had seemed one of near-constant pain. Now she was at a breaking point. It started to become unbearable when she was pregnant with her now 7-year-old daughter. She’d had to spend most of that pregnancy in bed because of terrible back pain. Her pelvis had separated prematurely, she’d been told. And her pain had slowly been getting worse ever since.

Her parents, who lived nearby, had been wonderfully supportive over the past several years. She didn’t realize how much she’d come to depend on them until they went to Germany on vacation — their first in a decade. Suddenly, without their help, she realized how limited she was and how much they had done to make her life possible. On the days when she couldn’t get out of bed, they would help her get her young daughter to and from school and help her with the shopping. With them out of town, she felt overwhelmed and helpless. She’d turned to her sister, who lived in Connecticut and could provide her with at least the emotional support she needed, and called her every day, sometimes several times a day. That’s when her sister had begun to look for a doctor who could figure out what was going on with her, and that’s how she found Dr. Podell.

Dr. Podell asked about her pain. She told him it was everywhere, really. All over her body. In her joints, in her muscles, even her skin. She had severe fatigue and yet she couldn’t sleep. She’d be up for days and then crash. She had migraine headaches frequently. She had irritable bowel syndrome. She was severely depressed. She’d been given a diagnosis of fibromyalgia. She was anemic. She had endometriosis.

Recently she’d had these episodes in which she would lose all her strength on one side of her body. The first time it happened it was just her left arm. She went to the emergency room and had a CT scan of her head done because the E.R. doctor was worried that she’d had a stroke; so was she. But the scan was normal. Her strength came back the next day. No one figured out why that happened.

She told Dr. Podell that she felt like her body was on fire all the time. She was weak and tired and her mind felt foggy, but nobody could tell her why. Her voice broke on the phone, and Dr. Podell could hear her sobbing quietly.

The Doctor’s Exam:

Dr. Podell was worried. As a rheumatologist, he specialized in diseases of the tissues that hold the body together — bones, muscles, tendons — and saw a lot of people who had pain all over their body. But he wasn’t sure what this patient had. What if he wasn’t able to figure it out? “She’d put all her eggs in my basket,” he told me. “And I didn’t want to drop it.”

He also didn’t want her to arrive at his office only to find he had nothing to offer her. So, in addition to having her doctor send him results of all the tests and procedures she’d had so far, he wanted her to get a few others. Actually, he wanted to get a lot of other tests before she flew in for a physical exam.

Maybe it wasn’t good medicine, he said, but he wanted to cast a wide net to look for a cause of her symptoms even before he saw her. He was determined not to miss this diagnosis. “I went for the zebras because, frankly, after all the doctors she’s seen, I was pretty sure all the horses had already been looked at,” he said.

One of the tests that Dr. Podell ordered contained an essential clue in the diagnosis of this patient.

The Challenge:

If you could order only one test for this patient with intermittent weakness and chronic pain all over, what test would you order, and why?

Post your responses below. If the patient had that test done, either by Dr. Podell or by the doctors she saw before him, I will post the test result. I will be posting new information in response to requests every hour or so after 6 a.m.

Follow the test results, and once you think you’ve figured out the diagnosis, post your guess.

Tomorrow, I will post the correct diagnosis and tell you what happened when doctor and patient finally met.

Rules and Regulations: Post your test request and diagnosis in the Comments section below. The correct answer will appear tomorrow on the Well blog. The winner will be contacted. Select reader comments may also appear in a coming issue of The New York Times Magazine.

Breast Cancer Awareness Month: live webchat with Macmillan Cancer Care


You can follow the webchat at the Avon website

You can follow the webchat at the avonconnects.co.uk site


We are moving towards the end of Breast Cancer Awareness Month and I have taken to heart the many comments and emails I have received from men who feel that cancers affecting them (particularly prostate cancer) are not receiving the amount of media attention that is granted to the breast cancer charities.


I intend fully to address this issue in November.


Meanwhile, on Thursday of this week – 27th October – Macmillan Cancer Care has teamed up with Avon Cosmetics and they are offering a live web chat with a breast cancer nurse specialist. Angela Sheldrick is based at the Milton Keynes NHS Foundation Trust and will be available at 1 pm to answer any questions on the subject of breast cancer.


If you would like to follow the chat session, log onto www.avonconnects.co.uk. Should you have a question for Nurse Angela, there is a simple log on procedure after which you can add your question – but please remember that it can be read by everyone who has accessed the site. To see new contributions, simply refresh the page.


Since 1992, when Avon UK launched its Breast Cancer Crusade, it has raised over £15 million for charities including Breakthrough Breast Cancer, Macmillan Cancer Support and Crazy Hats Breast Cancer Appeal. Avon Cosmetics also funds a Macmillan Secondary Breast Cancer Nurse Specialist who works in Warwickshire


Macmillan is hoping that the live web chat will encourage people who have concerns – but do not feel able to visit their GP – to ask their questions in the comfort and privacy of their own homes.



Weather Service issues red flag warning due to Santa Ana winds

Photo: Santa Ana wind pattern. Credit: National Weather Service
The National Weather Service issued a red flag warning for critical brush fire conditions because of gusty Santa Ana winds that are expected to begin blowing Wednesday afternoon and evening across mountain areas in Los Angeles and Ventura counties.

The winds, which are expected to last through Thursday, could reach 50 mph in the mountains and 40 mph in the canyons, the Weather Service said Tuesday evening. The dry winds will also cause relative humidity to drop below 10%.

The low relative humidity is expect to continue through the weekend, according to the Weather Service.

The red flag warning will be in effect from 3 p.m. Wednesday through 3 p.m. Thursday.

ALSO:

Cross-burning not a form of free speech, judge rules

Downey officer who allegedly shot wrong man placed on leave

Woman pepper-sprays LAPD sergeant after finding him in her home

— Robert J. Lopez

twitter.com/LAJourno

Photo: Santa Ana wind pattern. Credit: National Weather Service

5 inmates convicted in 2006 fatal beating at O.C. County Jail

Theo Lacy
Five men were convicted Tuesday of second-degree murder for their roles in the 2006 beating of another inmate at Orange County's largest jail.

John Derek Chamberlain's killing at Theo Lacy Jail led to a grand jury investigation that rocked the county jail system, forced an administrative shakeup in the Sheriff's Department and resulted in at least three deputies leaving the agency.

Chamberlain, 41, was punched, kicked, stomped and sodomized by a number of inmates for about 50 minutes while deputies who were supposed to supervise the jail were napping, watching television or sending text messages, a grand jury report concluded.

The inmates mistakenly believed Chamberlain was in jail on child molestation charges. He actually had been jailed on charges that he possessed child pornography.

The inmates convicted Tuesday are Garrett Eugene Aguilar, 29, Stephen Paul Carlstrom, 43, Jared Louis Petrovich, 27, Miguel Guillen, 48, and Raul Vilafana, 25, the Orange County district attorney's office said. Three other people were previously convicted in the case.

ALSO:

Cross-burning not a form of free speech, judge rules

Downey officer who allegedly shot wrong man placed on leave

Woman pepper-sprays LAPD sergeant after finding him in her home

— Robert J. Lopez

twitter.com/LAJourno

Photo: John Derek Chamberlain was killed in this area of Theo Lacy Jail. Credit: Los Angeles Times

Extravagant Halloween light show in Riverside goes viral on YouTube









Further proof that Halloween is the new Christmas: Video of an over-the-top Halloween light show that coordinates with "Party Rock Anthem" by the band LMFAO has gone viral on YouTube, racking up nearly 1.4 million views in just three days.

And the show, which includes four singing pumpkin faces, light-up tombstones, light-up hand-carved pumpkins and strobe lights adorning a two-story home in Riverside, has been widely featured on news stations.

This isn't a spur-of-the-moment endeavor either.

In an interview with The Times, the 39-year-old Verizon worker who created the extravaganza said it takes him 15 hours to program every one minute of music. This year, he started programming the lights in March.

Kevin J. -- he asked that we not use his last name -- has been doing Halloween light shows for four years. He started out small in 2008, he said, with just 10 pumpkins loaded with standard light bulbs. Last year he posted a video of singing pumpkins mouthing the words to Michael Jackson's "Thriller". That video wound up with 1.2 million hits on YouTube.

"It was my biggest year, but I wasn't on every news channel like I am now," he said.

Internet opiners on sites such as Gawker and Kevin's own YouTube channel have wondered if his neighbors hate him. Kevin says the answer is no.

He makes an effort to be a conscientious light show maker, he said. He only does one showing of the lights each night at 7:30, and asks his audience to park on the street and then stand on the sidewalk to watch.

Kevin, who goes by KJ92508 on YouTube, said he attributes the success of this year's video to three main factors:

1. Because last year's "Thriller" video was so popular, he already had 3,000 subscribers on his YouTube channel, so he was able to get the word out fast about this new video.

2. His wife suggested that he pick a song from the Billboard charts.

3.  He does his light show at Halloween, not Christmas, so he has a lot less competition.

ALSO:

Germiest place in America? The gas pump

Video: Northern lights visible as far south as Arkansas

First black Marines deserve congressional gold medal, House says

-- Deborah Netburn

 Video: Halloween Light Show 2011 -- "Party Rock Anthem" has gone viral on YouTube, racking up nearly 1.4 million views in just three days.

Audit prompts L.A. County to seek takeover of First 5 LA

Los Angeles County Supervisor Zev Yaroslavsky at a board meeting in July 2009. Credit: Mark Boster / Los Angeles Times
The Los Angeles County Board of Supervisors on Tuesday signaled its intent to take greater control of First 5 LA, an independent voter-approved agency that uses cigarette taxes to fund health, safety and educational programs for children.

Supervisor Zev Yaroslavsky said First 5 LA was sitting on hundreds of millions of dollars of unspent taxpayer funds, and criticized the staff for a lack of transparency, accountability and competitive bidding.

"It's sitting on over $800 million," Yaroslavsky said. "And some of it for good reason, and some of it for no apparent good reason. It's just been sitting there and accumulating." First 5 LA's annual operating budget is about $180 million a year.

An audit by Harvey M. Rose of San Francisco found First 5 LA's commission was unable to monitor money that was being spent "since monthly programmatic expenditures are not presented relative to a budget." Auditors also concluded the agency was overstaffed while under-spending on programs for children.

Additionally, First 5 LA staffers failed to report even basic information to its commissioners, such as details of more than $200 million in contract and grant awards received by the agency in the last fiscal year, the report said. The auditors said the lack of oversight means there is no way to determine if the agency has signed agreements "for inappropriate purposes or with unqualified vendors or grantees."

Rock climber seriously injured at Joshua Tree National Park

Officials were investigating Tuesday how a rock climber plunged 25 feet in an accident at Joshua Tree National Park.

Yosuke Komiya, 36, who was visiting the park from Japan, plunged down the face of Cyclops Rock on Sunday afternoon, the park said in a statement. He sustained severe head injuries and was airlifted in serious condition to Desert Regional Hospital in Palm Springs for treatment.

A preliminary investigation by park rangers found that Komiya may have been hit by the second member of his team who fell from his lead position. That person was uninjured, officials said.

The investigation into the accident is ongoing.

ALSO:

Cross-burning not a form of free speech, judge rules

Downey officer who allegedly shot wrong man placed on leave

Woman pepper-sprays LAPD sergeant after finding him in her home

— Robert J. Lopez

twitter.com/LAJourno

Police raid Occupy Oakland encampment, arrest dozens

Police in riot gear clear protesters from the plaza in front of Oakland's City Hall
Tuesday's pre-dawn sweep of the Occupy Oakland encampment, which resulted in about 80 arrests, came after the diverse community of protesters refused to allow police and fire officials -- as well as at least two ambulance crews -- access to the area to provide services, city officials said.

 Oakland had issued repeated warnings to the campers over the last week, citing an increase in public urination and defecation, rats and fire hazards from cooking. The greatest concern, however, stemmed from violence.

When the camp took shape Oct. 10, things were relatively harmonious: City officials, including Mayor Jean Quan, asserted their support for the protesters’ free-speech rights and the movement's values. A children's "village" was set up, along with a kitchen and "school" in which to conduct workshops.

PHOTOS: Occupy Oakland protesters cleared out by police

Homeless individuals and families who had been living in the area were embraced by the makeshift community and became a part of it.

On Oct. 17, the first sexual assault was reported. But camp leaders declined to allow police and fire officials to conduct patrols.

By the following day, city officials said in a statement, "We began to receive numerous complaints of threatening, intimidating behavior…. public health and safety requirements were being ignored."

Death penalty to be sought for serial killer in O.C.

Andrew Urdiales, Robbin Brandley

The Orange County district attorney's office said Tuesday that it would seek the death penalty for a serial killer, convicted of slaying three women in Illinois, who is charged with murdering five women in Southern California.  

Andrew Urdiales, 47, is charged with killing women in Orange, Riverside and San Diego counties from 1986 to 1995. He is charged with having sex with some of the victims before stabbing them multiple times or shooting them, the Orange County district attorney's office said.

Urdiales was convicted of the Illinois murders in 2002 and 2004 and was sentenced to death, authorities said, but his sentence was commuted to life without parole.

He was in the Marines from 1984 to 1991 and stationed at bases in Southern California.

During that time, he allegedly killed four women — one in Orange County, two in Riverside County and one in San Diego County. Those cases were consolidated in Orange County.

After his discharge, Urdiales moved back to Illinois but allegedly returned to California in 1995 and killed a fifth woman while on vacation in Palm Springs, according to prosecutors.

Urdiales is scheduled for an arraignment Dec. 1 at the Central Justice Center in Santa Ana.

ALSO:

Cross-burning not a form of free speech, judge rules

Downey officer who allegedly shot wrong man placed on leave

Woman pepper-sprays LAPD sergeant after finding him in her home

— Robert J. Lopez

twitter.com/LAJourno

Photo: Andrew Urdiales and one of his alleged Southern California victims, Robbin Brandley.

Reader photos: Southern California Moments Day 298

Click through for more photos of Southern California Moments.

Firmament: Bordered by the entrance to the North Hollywood Metro station, the sky resembles a planet as seen from space in this Aug. 22 photo by Romeo Doneza.

Every day of 2011, we're featuring reader-submitted photos of Southern California Moments. Follow us on Twitter and visit the Southern California Moments homepage for more on this series.

Officials try to locate family of dementia patient found in San Diego

Torres

Officials at the UC San Diego Medical Center are asking for the public's help in locating the family of an 80-year-old man found disoriented, dehydrated and walking in downtown San Diego on Oct. 9.

From documents in his pocket, officials determined that his name is Tiburcio Torres and that he lived in the Stanton area of Orange County. He may have been returning from a bus trip to Mexico when he got off in San Diego and became confused.

He is suffering from dementia, officials said. He speaks only Spanish and has only periodic moments of lucidity. He is five-foot-three inches tall and weighs 137 pounds.

Anyone with information is asked to call (619) 964-9578.

--Tony Perry in San Diego

Photo: Tiburcio Torres. Credit: UC San Diego Health System
 

 

Not even President Obama can speed through L.A. traffic jams

President Obama appears at The Tonight Show with Jay Leno
President Obama got a taste of L.A. traffic Tuesday morning when his motorcade slowed to a crawl as he headed to NBC's Burbank studios to tape an interview with Jay Leno on "The Tonight Show."

CBS News' Mark Knoller, a reporter who was along for the ride, caught a picture of the traffic jam and posted it to Twitter.

"Highway 101 likely excluded from infrastructure subsidies for slowing down pres motorcade," Knoller quipped.

PHOTOS: Late night politics

The motorcade hit traffic just past the Ventura Boulevard exit on Highway 101, according to a pool report.

"It appeared to pool that highway wasn't shut down and motorcade flanked by CA highway patrol on motorcycles crept slowly," the pool report said. "At one point…the motorcade crept along in the two left lanes of the highway while public traffic continued in the far right lane."

Still, the jam only set Obama back about 10 minutes.

This is not the first time Obama's vast train of protective vehicles has been stuck on an L.A. freeway before a taping with Leno. The same thing happened in March 2009.

And it apparently also happened to President George W. Bush.

"Same thing happened to Bush in LA. Motorcade," Ari Fleischer, who was White House press secretary under Bush, wrote in a tweet response to Knoller. "Slowed to 20 mph bcause we were about to catch up to traffic."

ALSO:

Conrad Murray: Judge issues another blow to defense

Obama and rain in L.A. make for potential traffic nightmare

Man who climbed into hollow tree trunk gets stuck, then rescued

-- Kim Geiger in Washington, D.C.

Forest biofuel projects could increase West Coast carbon emissions

Forest thinningThinning West Coast forests on a widespread scale to feed bioenergy projects would increase the region's production of greenhouse gases, according to a new study.

Research published Oct. 23 in the journal  Nature Climate Change undermines the argument that substituting wood-based biofuel for fossil fuels would reduce carbon emissions.

“Most people assume that wood bioenergy will be carbon-neutral, because the forest re-grows and there’s also the chance of protecting forests from carbon emissions due to wildfire,” said Tara Hudiburg, the paper's lead author and an Oregon State University doctoral student in the College of Forestry. “However, our research showed that the emissions from these activities proved to be more than the savings.”

Using data from thousands of forest plots in Oregon, Washington and California, Hudiburg and her co-authors calculated carbon storage and emissions under current forest management practices and then projected changes under three different thinning/biofuel scenarios.

Two involved thinning of varying intensity in fire-prone forests in the three states. The third called for widespread harvesting of trees up to 2 feet in diameter on public and private lands. The study assumed the harvested wood be burned to produce heat and power, converted to cellulosic ethanol and, in the case of larger, more valuable trees, milled into wood products.

The scientists took into account carbon dioxide emissions in harvesting, transportation and biofuel production as well as carbon credits for reducing wildfire and fossil fuel emissions, and long-term storage in lumber for housing. In some areas with relatively low forest productivity and high fire frequency, greenhouse gas emissions did not rise under the treatment scenarios. But in most they did.

"We are not saying that any project will increase emissions compared to current levels, whether they are from decomposition, wildfire, or harvest," Hudiburg said in an email. "We are saying that on average, this is what happens in West Coast forests, and if implemented widely will increase regional emissions -- contrary to policy goals." 

Total West Coast carbon emissions rose 2%, 6% or 14% under the three treatment schemes.

The study dealt solely with emissions and did not consider other potential benefits of forest thinning, such as reducing wildfire risk, which is projected to increase with global warming.

"In this study region," the authors wrote, carbon storage in forests "is more beneficial in contributing to reduction of anthropogenic carbon dioxide emissions than increasing harvest to substitute fossil fuels with bioenergy from forests."

ALSO:

California adopts historic cap-and-trade regulations

Australia moves closer to law establishing carbon tax

Climate skeptic admits he was wrong to doubt global-warming data

-- Bettina Boxall

Photo: Loggers use a machine that cuts and piles whole trees to thin an area in the Black Hills National Forest in South Dakota. Credit: Associated Press / Doug Dreyer

Cross-burning not a form of free speech, judge rules

Four people accused of burning a cross outside the window of a 19-year-old mixed-race woman are not protected by the 1st Amendment, and hate-crime allegations against them will stand, a San Luis Obispo County judge ruled Monday.

The defendants had argued that cross-burning was a protected form of “symbolic” free speech. But the court disagreed and said the incident qualified as an unprotected threat.

Prosecutors charged Jeremiah Hernandez, 32; Jason Kahn, 36; Sara Matheny, 24; and William Soto, 20, with arson and conspiracy that, with Monday’s ruling, will carry hate-crime enhancements.

The defendants are accused of setting fire in March to an 11-foot cross outside an Arroyo Grande home where a 19-year-old woman of mixed African American descent lived.

All four have pleaded not guilty and will return to court Nov. 2.

RELATED:

Laguna Beach rug merchant faces new sex charges

Much has changed for gay and lesbian Catholics in L.A.

Bay Area man gets stuck in baby swing at park for nine hours

-- Matt Stevens

Fracking used more diesel fuel than estimated, lawmakers say

Gaswell

Three U.S. House members investigating the use of toxic substances in the fluids injected into natural gas wells have revised their estimate of the amount of diesel fuel used in the practice, known as hydraulic fracturing or "fracking."

Rep. Henry Waxman of Los Angeles, the ranking Democrat on the House Energy and Commerce Committee, joined Edward J. Markey (D-Mass.) and Diana DeGette (D-Colo.) in sending a letter to the Environmental Protection Agency. The letter said two companies had erroneously reported usage of diesel fuel in fracking fluids, which are injected at high pressure into rock formations — usually shale — to create fissures that allow natural gas to be extracted. 

More than 32 million gallons of diesel were used from 2005 to 2009 by 12 companies employing fracking in states including Texas, Oklahoma, Louisiana, Colorado, Wyoming, North Dakota, West Virginia and Pennsylvania, among others.

Oil service companies such as Halliburton have maintained that fracking does not affect drinking water, despite anecdotal evidence in places such as Wyoming that show methane and other chemicals in residential wells near fracking activities.

The amount of diesel under-reported was about 500,000 gallons, the lawmakers said in their letter to the EPA, which pressed the agency for better oversight and more uniform reporting requirements. 

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-- Geoff Mohan

Photo: A natural gas well pad near Rifle, Colo., in the Rocky Mountains. Credit: David Zalubowski / Associated Press 

LAPD sergeant is pepper-sprayed, arrested on burglary charge

Image: Map shows approximate location of where an LAPD sergeant allegedly robbed a home in Mentone. Source: Google Maps

A Los Angeles police sergeant was arrested Sunday on suspicion of burglary after a woman found him inside her home near the San Bernardino National Forest and sprayed him with a potent form of pepper spray that is typically used to ward off bears, authorities said.

LAPD Sgt. Lucien Daigle allegedly fled but crashed his car a few miles from the woman’s Mentone home, said San Bernardino County Sheriff’s Sgt. Paul Morrison.

Daigle reeked of pepper spray when he was approached and had valuables inside his car that belonged to the woman, Morrison said.

It was only during the booking process, Morrison said, that deputies learned that Daigle, 44, was an LAPD sergeant. 

Authorities said there is no indication that Daigle, a Highland resident, is acquainted with the victim. “It was a burglary,” Morrison said.

He was recently assigned to Olympic Division from Central Division where for many years he was a skid row drug expert. He has been placed on administrative leave by the LAPD. The department has launched an internal affairs probe.

Morrison said the break-in occurred sometime before 6:20 p.m. Sunday in the 8900 block of Tres Lagos Drive in Mentone, a remote community near Redlands.

The homeowner told deputies she had taken her dogs for a walk and returned to find a man inside her home, Morrison said.

“She had sprayed the intruder with bear pepper spray. It is five times more powerful than pepper spray we use in law enforcement,”  he added.

Daigle sustained minor injuries from the traffic collision and was taken to an area hospital for treatment before he was booked. He was later released on $125,000 bail on Monday.

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Conrad Murray: Judge issues another blow to defense

State agents seize nearly 93 pounds of cocaine in Bellflower

Bay Area man gets stuck in baby swing at park for nine hours

-- Richard Winton

Image: Map shows approximate location of where an LAPD sergeant allegedly robbed a home in Mentone. Source: Google Maps

Glendale considers ban on plastic bags

Glendale considering ban on plastic bags

The city of Glendale is considering a ban on plastic bags similar to ordinances adopted in Los Angeles County and several cities throughout the state.

The law would affect more than 2,000 stores by January 2012. It would ban plastic bags and require retailers to levy a 10-cent surcharge per paper bag, the Glendale News-Press reported.

"The negative impact to the environment as a result of these bags motivates us to ban plastic bags," said Public Works Director Steve Zurn, adding that officials envision a rule that prevents all retailers, from grocery to drugstores, from using plastic bags.

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Santa Monica considers dog beach; environmental worries linger

-- Brittany Levine, Times Community News

Photo: Andy Keller (of a company called "ChicoBag") stands on Temple Street in downtwon Los Angeles covered with plastic bags during a rally supporting a proposed ban on plastic bags last year. Credit: Gary Friedman / Los Angeles Times

LAPD sergeant is pepper sprayed, arrested on burglary charge

A Los Angeles police sergeant was arrested Sunday on suspicion of burglary after a woman found him inside her home near the San Bernardino National Forest and sprayed him with a potent form of pepper spray that is typically used to ward off bears, authorities said.

LAPD Sgt. Lucien Daigle allegedly fled but crashed his car a few miles from the woman’s Mentone home, said San Bernardino County Sheriff’s Sgt. Paul Morrison.

Daigle reeked of pepper spray when he was approached and had valuables inside his car that belonged to the woman, Morrison said.

It was only during the booking process, Morrison said, that deputies learned that Daigle, 44, was an LAPD sergeant. 

Authorities said there is no indication that Daigle, a Highland resident, is acquainted with the victim. “It was a burglary,” Morrison said.

He was recently assigned to Olympic Division from Central Division where for many years he was a skid row drug expert. He has been placed on administrative leave by the LAPD. The department has launched an internal affairs probe.

Morrison said the break-in occurred sometime before 6:20 p.m. Sunday in the 8900 block of Tres Lagos Drive in Mentone, a remote community near Redlands.

The homeowner told deputies she had taken her dogs for a walk and returned to find a man inside her home, Morrison said.

“She had sprayed the intruder with bear pepper spray. It is five times more powerful than pepper spray we use in law enforcement,”  he added.

Daigle sustained minor injuries from the traffic collision and was taken to an area hospital for treatment before he was booked. He was later released on $125,000 bail on Monday.

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Conrad Murray: Judge issues another blow to defense

State agents seize nearly 93 pounds of cocaine in Bellflower

Bay Area man gets stuck in baby swing at park for nine hours

-- Richard Winton

Conrad Murray witness: Jackson wanted unorthodox sleep drug

Cherilyn Lee
A holistic medical practitioner who tried to treat Michael Jackson's chronic insomnia testified Tuesday that the singer became frustrated with her natural remedies and told her that only a surgical anesthetic could help him sleep.

Nurse practitioner Cherilyn Lee told jurors at the manslaughter trial of Jackson's doctor that the singer initially seemed open to her regimen of herbal teas and vitamin injections.

But as the months progressed and he still struggled to sleep, he became "a tad upset" with her approach and repeatedly asked her to help him get Diprivan, the brand name of the drug propofol.

WATCH LIVE: The trial of Conrad Murray

"The only thing that is going to help me is Diprivan and this is not working," Lee quoted Jackson as telling her in April 2009, two months before his overdose from the drug.

Lee was the second medical professional called to the stand by the defense to recount requests by Jackson for unorthodox sleep drugs. His longtime internist, Allan Metzger, testified Monday that during the same period, the singer asked for intravenous anesthetic to help his insomnia. Metzger said he refused to provide such a drug.

Lee said that she had never heard of Diprivan, but after looking it up in a drug reference book and speaking to a physician, she warned Jackson not to use it.

Conrad Murray: Judge issues another blow to defense

More murray
A judge barred testimony about Michael Jackson’s contractual obligations to a concert promoter Tuesday, dealing yet another setback to his personal physician’s defense.

Superior Court Judge Michael Pastor said details about the contract would distract jurors from their task of deciding whether the physician is guilty of involuntary manslaughter in Jackson’s death.

“It involves the fact finder getting taken on a side tour of accounting principles and law school,” Pastor said in denying a defense request to introduce the 42-page document as evidence during the testimony of promoter’s chief executive.

Lawyers for Dr. Conrad Murray had hoped to use the contract between the pop star and AEG Live to suggest Jackson was under enormous financial pressure to pull off a series of London concerts.

FULL COVERAGE: The trial of Conrad Murray

Under the terms of the contract, AEG was advancing Jackson money to support himself and his children and to mount the 50 shows. If Jackson was unable to perform, he would have to repay more than $30 million, defense attorney Ed Chernoff said in court.

Jackson was already more than $400 million in debt, the lawyer said.

The defense contends the pressure led Jackson to inject himself with a lethal dose of the anesthetic propofol in a desperate attempt to sleep before important concert rehearsals.

The judge previously prohibited the defense from introducing evidence of Jackson’s money woes and prosecutors urged the judge to take the same tact with the contract.

“At every turn,” Deputy Dist. Atty. David Walgren said, “Conrad Murray through his attorneys have put the blame for his failures on Michael Jackson and this is just another attempt to do the same."

The judge agreed, saying that unless the defense could find witnesses who had heard Jackson say his anxiety was based in financial concerns, the contract was irrelevant.

“This is not a contractual dispute. This is a homicide case,” Pastor said.

AEG executive Randy Phillips is expected to take the stand Tuesday.

The judge said the defense could question him about the broad outlines of his relationship with the singer and his observations of his health and behavior in the months before his death.

Murray, 58, faces a maximum of four years in prison if convicted.

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Conrad Murray defense: D.A. drug expert’s theory ‘out of thin air’

Witness: Murray gave Jackson 40 times more drugs than he told police

-- Harriet Ryan at Los Angeles County Superior Court

Photo: Dr. Conrad Murray in court. Credit: Mario Anzuoni / Reuters

 

Cross burning not a form of free speech, judge rules

Four people accused of burning a cross outside the window of a 19-year-old mixed-race woman are not protected by the 1st Amendment, and hate crime allegations against them will stand, a San Luis Obispo County judge ruled Monday.

The defendants had argued that cross burning was a protected form of “symbolic” free speech. But the court disagreed and said the incident qualified as a unprotected threat

Prosecutors charged Jeremiah Hernandez, 32; Jason Kahn, 36; Sara Matheny, 24; and William Soto, 20, with arson and conspiracy that, with Monday’s ruling, will carry hate crime enhancements.

The defendants are accused of setting fire in March to an 11-foot cross outside an Arroyo Grande home where a 19-year-old woman of mixed African American descent lived.

All four have pleaded not guilty and will return to court Nov. 2.

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Bay Area man gets stuck in baby swing at park for nine hours

--Matt Stevens

Blue whale has close encounter with Dana Point passengers









Passengers aboard a boat out of Dana Point got an up-close look at a blue whale when the giant mammal approached the vessel head-on and swam alongside the craft, KTLA is reporting.

The encounter was captured on video during the Friday afternoon outing with "Captain Dave's Dolphin and Whale Safari.'

The boat was stopped when the whale approached and viewers observing the underwater pod also got a close-up look as the giant mammal swam just a few feet away from the vessel.

"You can even see the eye," Capt. Dave Anderson said in an email, calling the encounter the closest he has ever had with a blue whale.

"We have had the best blue whale watching that I have ever seen in the last four days.... It has been virtually impossible to not see a blue whale or fin whale in any direction," Anderson said.

"Most of them are lunge-feeding right at the surface...and we have had several of them approach the boat to everyone's delight," he said.

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-- KTLA

Video: Blue whale passes alongside boat filled with passengers. Credit: Captain Dave's Dolphin and Whale Safari

After 122 years at San Francisco church, 2.7-ton bell vanishes

The bell had been at St. Mary’s Cathedral in San Francisco for so many decades –- surviving the 1906 earthquake and an arson blaze in the 1960s -– that nobody at first even realized it was gone.

But on Sunday morning, a parishioner apparently did a double-take and noticed that the 122-year-old, 2.7-ton bell had vanished, the San Francisco Chronicle reported.

"It is a very historic and valuable item, it is a memory of the Catholic Church in San Francisco," George Wesolek, communications director for the Archdiocese of San Francisco, told the paper. "It is kind of an ignoble end for the bell if they succeed."

The bell, which weighs roughly 5,300 pounds and is a bit bigger than the Liberty Bell, had stood on a wooden platform outside the church since being replaced by a set of electronic chimes during a remodeling in the 1970s.

Police said they are not precisely sure when the bell vanished and some parishioners –- after thinking things over -– said it may have been gone for as long as a month.

"Nobody can swear on a Bible and say the last time they saw the bell," police Inspector Brian Danker told the Examiner.

The weighty theft may be the work of metal thieves.

After being commissioned in 1889, the bell was hauled to the cathedral by a steam train that carted it west from a foundry in Baltimore.

It lost its lofty position at the church in 1962 when it had to be lowered back to earth following the devastating arson fire.

Obama and rain in L.A. make for potential traffic nightmare

The Presidential entourage outside the Hancock Park home where Obama was holding a fundraiser
Los Angeles drivers, brace yourselves.

In addition to the slight drizzle Tuesday morning -- which we know sends L.A. motorists into a near-panic -- President Obama may also be hitting the road during the rush hour.

That's a potential double whammy for commuters, who have been known to throw fits during Obama's recent visits and the ensuing traffic snarls.

Several people took to Twitter to bemoan the unlucky combination.

"Obama arrives  during rush hour -- and it looks like it's gonna rain. just stay home," NegativeNatalie tweeted in anticipation of Obama's visit Monday.

"Rain AND Obama traffic. #yayLA," tweeted thatgirljj Tuesday morning.

Obama will spend a packed morning in Los Angeles, leaving the Beverly-Wilshire Hotel, and heading east to Burbank for a taping of “The Tonight Show with Jay Leno" to cap off his brief stop in the Southland as he continues his Western fund-raising swing.

After the taping, the president is scheduled to leave LAX at 11:45 a.m. for San Francisco, and will later fly to Denver for fundraisers in both cities, according to wire reports.  

Details of Obama’s Los Angeles route were not made available, but traffic closures related to the president’s visit made Monday’s east-west commute a grind, and similar closures could cause slowing Tuesday morning.

After an unscheduled stop at Roscoe's Chicken and Waffles, the president spent Monday night attending two fund-raising gatherings filled with patrons who paid top dollar for his acquaintance.  

The first gathering included only a few dozen supporters in Hancock Park who paid $35,800 each for intimate time with Obama. The second, larger event, was held at the home of actors Melanie Griffith and Antonio Banderas, with tickets starting at $5,000.

Stars including actor Will Smith and former Laker Magic Johnson attended the events, which are expected to help the president continue his aggressive fund-raising effort and stay monetarily in front of the GOP candidates.

"This election will not be as sexy as the first one," the president said Monday in Hancock Park. "Back then it was still fresh and new. I didn't have any gray hair.”

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-- Matt Stevens

Photo: Security outside the Hancock Park home where Obama was holding a fundraiser Monday evening.  Credit: Lawrence K. Ho / Los Angeles Times

Crime alerts for Leimert Park, Tarzana and 11 other L.A. neighborhoods

Crime reports are up significantly for the latest week in 13 L.A. neighborhoods, according to an analysis of LAPD data by the Los Angeles Times’ Crime L.A. database.

Eleven neighborhoods reported a significant increase in violent crime. Leimert Park (A) was the most unusual, recording eight reports compared with a weekly average of 2.9 over the last three months.

Tarzana (L) topped the list of two neighborhoods with property crime alerts. It recorded 24 property crimes compared with its weekly average of 13.0 over the last three months.

Alerts are based on an analysis of crime reports for Oct. 15–21, the most recent seven days for which data are available.

Ben Welsh, Thomas Suh Lauder

Police raid Occupy Oakland encampment, arrest protesters

Occupy Oakland
Oakland police raided the Occupy Oakland encampments early Tuesday morning and reportedly arrested dozens of protesters.

Oakland police confirmed that an operation was in progress to clear out the encampments but said it was not clear yet how many protesters had been arrested.

A post on the Occupy Oakland Twitter feed said 70 had been arrested and reported that police had used tear gas, rubber bullets and flash bang grenades to clear the protesters.

The San Francisco Chronicle reported that police in riot gear began arriving "in force" after 4:45 a.m. and formed a line in the street. Motorcycle officers shut down the road. By 6:40 a.m., the newspaper said that police had erected metal barricades around the plaza and protesters were vowing to return.

The city had sent protesters a notice to vacate the plaza next to City Hall on Oct. 20, citing a number of issues, including fire safety, sanitation and health hazards. Police raided that plaza as well as a second camp at a park nearby.

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-- Abby Sewell

Photo: An Occupy Oakland encampment, raided by police early Tuesday. Dozens of protesters had erected tents in front of Oakland City Hall. Credit: Ben Margot / Los Angeles Times

Walnut woman accused of stabbing husband to death

A Walnut woman was arrested Monday afternoon on suspicion of stabbing her husband to death.

Sheriff's officials said Socorro Mora, 43, allegedly fatally stabbed her husband George Mora, 47, on Oct. 19.

Deputies were called to to the 21600 block of Brookside Court in Walnut where they found Socorro Mora in the front yard with stab wounds and George Mora dead inside of apparent stab wounds.

Socorro Mora was transported to a hospital in critical condition. A knife believed to have been used in the stabbing was recovered from the scene.

After her arrest, Socorro Mora was being held on $1-million bail. Officials said there were no other suspects.

They gave no further details on the circumstances that led to the stabbings.

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Police raid Occupy Oakland encampment, arrest protesters

-- Abby Sewell

Conrad Murray trial: Hairdresser among witnesses to testify

Dr. Conrad Murray
In their ongoing effort to suggest Michael Jackson was a desperate man who accidentally took his own life, defense lawyers for his former physician were set Tuesday to call two members of the singer's inner circle to the stand.

Lawyers for Dr. Conrad Murray were expected to question the witnesses, Jackson's longtime hairdresser and the entertainment executive overseeing his comeback, about his final days, a period in which they have portrayed him as racked with anxiety and addled by drugs.

The hairdresser, Karen Faye, and the executive, Randy Phillips, were to take the stand on the second of what is anticipated to be a four-day defense case. Murray, 58, stands accused of involuntary manslaughter in Jackson's June 25, 2009, death.

FULL COVERAGE: The trial of Conrad Murray

His lawyers contend Jackson gave himself a lethal amount of the surgical anesthetic propofol in an effort to deal with chronic insomnia that was jeopardizing rehearsals crucial to the success of his "This Is It" comeback concerts.

Faye told police that in the last week of Jackson's life, he was weak, paranoid and under the influence of what seemed to be drugs, according to a defense filing. She told others she feared he would die.

Among those she confided in was Randy Phillips, the chief executive of AEG Live, the concert promoter bankrolling Jackson's planned London concerts. In court papers filed Monday, defense lawyers indicated they planned to question Phillips about the terms of the contract between AEG and Jackson.

Oxnard man leads police on high-speed chase, gun battle

An Oxnard man suspected of a domestic-violence attack on his girlfriend allegedly led Ventura County authorities on a high-speed chase that ended on a street in Port Hueneme in a hail of gunfire, police said.

The man, whose name was not immediately released, was wounded by officers at the end of the chase before being taken into custody late Monday. No officers were injured, according to an Oxnard police report.

At about 8 p.m., Oxnard officers responded to a report of domestic violence at a home on Roderick Street, a small street off Pacific Coast Highway. The male suspect in the case had left before they arrived, according to the police report. However, officers were told he was armed.

About an hour later, Ventura County sheriff’s deputies came upon the suspect in a car on Highway 33. A chase ensued. During the chase, the suspect allegedly fired at deputies.

Elementary schools fail to provide high-quality science instruction, report says

California, home to Silicon Valley and world-class research institutions, is largely failing to provide high-quality science instruction in public elementary schools, a new survey released Tuesday found.

Only 10% of elementary students regularly experience hands-on science practices, according to the survey of more than 1,100 teachers, principals and district administrators in some 300 California public schools. The top obstacles cited included a lack of funds for supplies and not enough time or teacher training. The intense pressure to improve reading and math test scores, teachers said, too often crowded out time for science.

“California does not have a coherent system that enables teachers and schools to consistently provide students with high-quality science learning experiences,” said the report, which was funded by the S.D. Bechtel Jr. Foundation.

The research, conducted during the 2010-11 school year, found that 40% of elementary teachers spent 60 minutes or less teaching science every week, even as many experts suggest 90 to 135 minutes. Just one-third of elementary teachers said they feel prepared to teach science, but 85% of teachers said they have not received any training in science during the last three years, according to the survey by the Center for the Future of Teaching and Learning at WestEd, the Lawrence Hall of Science at UC Berkeley, SRI International and others. 

The report also identified top-quality science programs in various schools, which used science to teach math and reading skills. Many successful schools also tapped outside partners, including the Audubon Society and a local marine research institute, to provide training and materials for hands-on lessons using such scientific practices as posing questions, making observations and predictions, crafting experiments and analyzing data.

Rena Dorph, a researcher at the Lawrence Hall of Science at UC Berkeley, said improving elementary school science education was key to helping develop young students’ critical thinking skills and put them on a path to higher education and good jobs.

“If we want kids to stay engaged in science, we need to get them excited at an early age,” she said.

The report can be found at www.cftl.org/science.

--Teresa Watanabe

Yoga and Stretching Equally Effective for Back Pain

Weekly yoga classes relieve symptoms of low back pain about as well as intense, regular stretching sessions, a new study shows.

The research found that yoga and stretching were equally effective in easing chronic back pain and improving function, but participants had to practice each regularly to see benefits. The subjects in both groups took weekly 75-minute classes and practiced yoga or deep stretching at home for about 20 minutes at a time at least three days a week.

The study is the largest and most thorough to date to look at whether yoga has an effect on chronic low back pain, a problem that affects millions and has no surefire long-term remedy. A number of earlier studies suggested that regular yoga classes might benefit back pain sufferers, though most were limited by small sample sizes, short study periods and other flaws.

The latest study, published in The Archives of Internal Medicine, involved more than 200 people who were followed for up to 26 weeks.

“This is good news for yoga,” said Karen J. Sherman, lead author of the study and senior scientific investigator at Group Health Research Institute in Seattle. “The smaller studies which hinted that yoga might be helpful all had problems one way or another. This is a much larger study, and the findings are robust.”

About four out of five people experience low back pain at some point in their lives, prompting Americans to spend $50 billion a year on medications, physical therapy and related costs. Exercise, and in particular strength-training routines that develop muscles of the trunk and core, can help reduce pain and improve function, though many people avoid them for fear of doing further harm.

To find out whether the movements and static poses associated with yoga could make a difference, as earlier research had suggested, Dr. Sherman and her colleagues recruited 228 people with chronic low back pain in the Seattle area. Their mean age was in the late 40s to 50, and they were randomly assigned to one of three groups. One group took weekly yoga classes over 12 weeks, which typically included breathing exercises, 5 to 11 postures and guided deep relaxation. Another group went to weekly stretching classes built around aerobic exercises, deep stretches and strengthening exercises focused on the trunk and leg muscles. Both groups were given handouts and instructional CDs and DVDs and asked to practice 20 minutes at home on days when there was no class. Those in the third group served as “self-care” controls and received a book containing advice on back exercises and ways to reduce pain.

After 12 weeks, those in the yoga group were, over all, significantly less bothered by symptoms than the control group, and they reported better function and less difficulty in mundane daily activities like walking up stairs and bending down to put on socks. The improvements remained when the researchers checked with them 26 weeks after the start of the study. Those in the stretching group saw just as much benefit as the people taking yoga. More than half of the subjects in each group improved on measurements of function by at least 50 percent, compared with less than a quarter of the controls.

“Compared with self-care, yoga and stretching class participants were significantly more likely to rate their back pain as better, much better or completely gone at all follow-up times,” the study noted. “More participants in the yoga and stretching groups were very satisfied with their overall care for back pain.”

Dr. Sherman said that like many other therapies for low back pain, yoga probably would not work for everyone. For those who want to try, a weekly class and a few 20-minute sessions at home might be a good starting point, she said.

“Does everybody need to practice at least 20 minutes a day three times a week? It probably depends on your back pain,” she said. “At a certain point in time you learn what your back needs.”

As an alternative to yoga, stretching may be a viable option. Dr. Sherman recommended taking an intensive stretching class, then establishing a routine at home. But she cautioned that her study looked specifically at deep stretching that is far more involved than the brief, light stretches most people do before or after a workout.

“It’s not like stretching each leg for 30 seconds,” she said. “It’s much more intensive. You might spend two minutes stretching each leg before moving on and stretching other parts of the body, so you’re really getting in there.”

Midlife Weight Loss Cuts Heart Risk

Being overweight as a teenager carries a greater risk of being an overweight adult, along with an increased risk of dying of heart disease. But overweight adolescents who slim down in middle age may lower their risk, a new study shows.

Previous studies have linked being overweight as a teenager or young adult to deadly consequences later in life, including an increased risk of heart disease. But it was unclear if the risk was higher simply because heavy teenagers become heavy adults, or because being overweight or obese as a young adult causes irreversible damage.

To find out, a team of scientists at Harvard Medical School and elsewhere combed through data from the Harvard Alumni Health Study, which tracked the medical information of men who entered the university as freshmen from 1916 to 1950. The researchers gathered data on about 19,000 of the Harvard alumni who were subsequently followed in later decades, looking at their habits, heart disease risk histories and body mass indexes, among other things. The subjects were followed for up to 82 years.

The study, published on Monday in The Archives of Internal Medicine, found that the heaviest students were more likely to become overweight or obese adults. Furthermore, the men who were obese as freshmen had nearly twice the risk of dying of heart disease decades later as the men who had been of normal weight in college. A similarly increased risk was seen among the men who were overweight as freshmen.

“That simply reflects the fact that fat kids become fat adults,” said Dr. I-Min Lee, an associate professor of medicine at Harvard Medical School and an author of the study, “and that drives deaths from heart disease.”

But when the researchers factored in middle age, adjusting for the subjects’ weight at that time, they found that the risk changed. The men who started college overweight or obese but were of normal weight in middle age no longer had a higher risk of dying of heart disease.

Body mass index in middle age was a strong predictor of dying of heart disease, the study showed. Being overweight in middle age increased the risk 25 percent, and being obese raised it 60 percent.

While the study looked only at men, Dr. Lee said she believed the findings would hold for women as well, since the biological effects of overweight and obesity on heart disease risk are similar in the two sexes. In both men and women, the data linking obesity in middle age to heart disease is clear, she said.

The only other study that prospectively measured B.M.I. in both early and later life, published over 20 years ago, showed that a higher body weight in adolescence raised the risk of heart disease later in life, regardless of B.M.I. in midlife. But that study was considerably smaller and looked at only about 500 people.

Dr. Lee said that while the latest study offered good news, “it’s not that it’s not harmful to be fat when you’re younger,” since extra weight in adolescence tends to follow you into adulthood. But an editor’s note that accompanied the study ended on a more optimistic note, saying it “brings us some reason for hope that efforts to address childhood obesity are well worth it.”

“The negative influence of early B.M.I. on mortality drops out when middle-age B.M.I. is added,” the note went on. “It is never too late to adopt healthy lifestyle changes.”

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