L.A.'s revamped teacher evaluation system getting mixed grades









Third-grade teacher Kelly Vallianos wanted to find an engaging way for her students to learn about measuring perimeters. One idea — to have students design a restaurant floor plan — was too difficult, she feared.


But with the help of colleagues, she found a way to tailor that fifth-grade idea to her younger students at Dominguez Elementary School, who excitedly sketched out an imaginary pizzeria.


Vallianos credits the Los Angeles Unified School District's new teacher evaluation system for sparking deeper and more collaborative conversations with administrators, who she said gave her ideas to make the lesson work.





The district's new performance reviews have come under fire by United Teachers Los Angeles, which opposes the controversial element of using student test scores as one factor in measuring teacher effectiveness.


But largely lost in the debate is the fact that the system's centerpiece is a new classroom observation process that, despite some drawbacks, is being praised by many as a better way to help teachers improve.


"It's a more reflective, much more well-rounded process," said Vallianos, who has been teaching for 19 years.


Teachers are ranked on a scale on instruction, lesson plans, classroom environment and dozens of other criteria. A highly effective teacher, for instance, will be able to intellectually engage all students and prompt them to lead their own discussion topics. An ineffective teacher will generate all questions and most answers, involving just a handful of students.


During observations, administrators type notes into their laptops and later rate each of 61 skills. Principals and other administrators conducting the observations must pass a test to ensure they are fairly and accurately scoring instructors. Conferences with teachers before and after the classroom visits are required.


The method is meant to make observations more useful, uniform and objective, using evidence rather than opinions. But it's an elaborate process and has provoked widespread criticism that it takes too long for principals who are already overwhelmed with increasing workloads. And those who can't type well take even longer, administrators say.


"The technology is creating great difficulty and frustration," said Judith Perez, president of the Associated Administrators of Los Angeles. "It feels like an immense amount of pressure on people without alleviating their workload."


Teachers union President Warren Fletcher agrees that a better system is needed; UTLA has designed its own. He said "the jury is still out" on the district's observation process but added that it shares some common elements with the union's proposal.


The new system also includes evidence of student achievement — which could be in the form of test scores — feedback from students and parents, and the teacher's contributions to the school community.


The new observations were tested last year on a voluntary basis with about 450 teachers and 320 administrators; this year, every principal and one volunteer teacher at each of the district's 1,200 schools are expected to be trained.


Officials have not yet announced when the system will be used for every teacher — or when the ratings will begin to count for decisions on layoffs, tenure or pay. But in a video shown at the training sessions, L.A. Supt. John Deasy made the stakes clear.


"We have perhaps no greater responsibility than assuring that every student in this district is taught by an effective teacher in a school led by an effective leader," he said.


Many educators agree that the current evaluation system — known as Stull for the state law that created it — doesn't promote that goal of top-notch teachers for every student. Criticized as a perfunctory checklist of expectations that doesn't help teachers improve, the system awarded 99.3% of L.A. Unified teachers the highest rating in 2009-10 — even though only 45% of district students that year performed at grade level for reading and 56% were proficient in math.


The new system has given teachers like Lisa Thorne a boost. Thorne, a math teacher at Hamilton High School, said the new process is "unwieldy" but far more helpful in homing in on her strengths and weaknesses.


After the self-evaluation part of the process, Thorne chose to focus on improving her work with small groups of students, prompting her to try such techniques as using a three-dimensional pegboard to teach geometry. And she started a new computer-based class to help struggling ninth-graders master algebra. Administrators had seen her use the techniques with older students during a class visit and were impressed enough to give her the green light, she said.


"I would definitely say the new system is an improvement, because it's more specific about what they're looking for," Thorne said. "It helps to get the conversation going with administrators."


Eduardo Solorzano, principal of San Fernando Middle School, agrees. In particular, he said, the focus on careful note-taking has given him specific examples to use in helping teachers improve.





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Larry Hagman Dies






TV News










11/24/2012 at 12:00 AM EST



Larry Hagman has died.

The actor, who famously played J.R. Ewing on the hit primetime soap Dallas, was 81.

"When he passed, he was surrounded by loved ones," his family said in a statement released to the Dallas Morning News on Friday. "It was a peaceful passing, just as he had wished for. The family requests privacy at this time."

"This is so sad. Larry was really someone who was loved by everyone," his agent Joel Dean tells PEOPLE. "Me especially. He was the most loving, wonderful, generous man. And he was a true trouper."

In late 2011, Hagman announced that he was battling cancer but he had also signed on to star in the TNT reboot of Dallas, which recently started filming its second season.

"Larry was back in his beloved Dallas, re-enacting the iconic role he loved most," his family said in the statement.

In addition to portraying J.R. – a lovable, scheming, villainous oilman, whose shooting death was a topic of international water-cooler discussion – Hagman starred alongside Barbara Eden as Major Anthony Nelson in the iconic '60s hit sitcom I Dream of Jeannie.

According to the Morning News report, Hagman's Dallas costars Linda Gray and Patrick Duffy were by his side on Friday at Medical City Dallas Hospital when he died.

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Researcher zeros in on historic wreck









In its day, the five-masted George E. Billings was a graceful schooner that crossed the Pacific with enough lumber to build 100 homes. In the end, it was a barge for weekend anglers, a white elephant so costly that its owner towed it to sea, torched it and let it sink.

A four-paragraph story in the Feb. 12, 1941, Los Angeles Times made a vague reference to its resting place: "a lonely island reef north of here." A photo showed a flaming hulk with smoke billowing over rugged hills.

Just where the Billings lay was anyone's guess. Shipwreck buffs knew, though, that whoever found it would peel back the layers on more than a century of rough-and-tumble Western maritime history.





Robert Schwemmer, an archaeologist for the National Oceanic and Atmospheric Administration who presented a paper on the Billings at a scientific meeting last month, had been seeking the ship for the better part of two decades. A diver, Schwemmer has explored dozens of wrecks off the Channel Islands, including the Gold Rush steamer Winfield Scott, which for eight days in 1853 stranded about 400 passengers on Anacapa Island.

The Billings, though, held a special allure. It was a remnant from the dying days of the age of sail. And it was probably hidden in plain sight off the jagged shores Schwemmer had gotten to know so well.

"We always thought it was just over the next reef, just around the next rock," he said.

On his periodic research expeditions through the 1,470-square-mile Channel Islands National Marine Sanctuary, Schwemmer kept a copy of the 1941 Times photo, comparing the smoke-obscured hills behind the burning ship with the hills before him. Later, he would also use a second photo with a more detailed view of the terrain.

For many years, the Billings was hard to miss. The last and largest of 108 wooden ships produced by the Hall Bros. shipyard of Port Blakely, Wash., the Billings was 224 feet long, roughly the distance between the wingtips of a Boeing 747. Named for a company executive, it delivered Pacific Northwest lumber to Australia and sometimes hauled back a mountain of Hawaiian sugar.

As many as 13 crew members shipped aboard the Billings, sailing it the same way tough crews had sailed similar craft for centuries.

In Solvang, a 73-year-old podiatrist named Jens Birkholm treasures stories of the Billings that he heard as a boy in Denmark. His paternal grandfather, Fredrik Birkholm, was an early captain and his maternal grandfather, Wilhelm Jarlshöi was first mate.

Fredrik's wife, in the custom of the day, accompanied her husband and raised their children amid the towering waves, they told Jens. The Billings' Japanese cook had been a schoolteacher before he was kidnapped and forced to work on ships. The cook was so grateful to serve on the Billings, Birkholm said, that he sent the captain a set of porcelain teacups still cherished by the family.

Before long, the Billings was edged out of business by ships with mighty engines. In 1926, its masts were removed and new owners towed it to Southern California. It became a fishing barge off Del Mar and Santa Monica, hosting day trippers and overnight guests who hopped ferries from the mainland for a two-mile jaunt offshore.

In 1929, Bob Oefinger, the Billings' chief steward and owner, raved about the accommodations.

"Whole families have been coming aboard and making overnight stays, the ship having roomy cabins available," he told The Times. "There are sun decks with reclining chairs, rest salons, a big dining salon and plenty of space for fishing."

To the dismay of local authorities, some barges like the Billings became gambling ships. Tony "Tony the Hat" Cornero, a former bootlegger, ran the S.S. Rex, a luxurious casino off Santa Monica whose slot machines and card tables were thrown overboard by police after a nine-day standoff in 1939. The dapper Cornero said he finally left the old schooner because he needed a haircut and "the only thing I haven't got aboard ship is a barber."

Barge owners had it worse the next year.

In a thick fog outside Los Angeles Harbor, eight people died when a Japanese freighter sliced into the fishing barge Olympic II. Lacking bulkheads that would help keep it afloat, the Olympic II sank within minutes.

Whether the barges were used for blackjack or barracuda, that brought an end to them. Regulators were cracking down and owners could not afford to comply. On Feb. 11, 1941, Oefinger, the owner of the Billings, told The Times that he had destroyed his aging vessel the previous night rather than face fines of $500 a day for not making repairs.

Just why he publicized the scuttling — even as he hid its location — is a question that has vexed many an old salt.

"Maybe he wanted to send a message," Schwemmer said.





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Military Analysis: For Israel, Gaza Conflict Is Test for an Iran Confrontation


Menahem Kahana/Agence France-Presse — Getty Images


An Israeli missile is launched from a battery. Officials said their antimissile system shot down 88 percent of all assigned targets.







WASHINGTON — The conflict that ended, for now, in a cease-fire between Hamas and Israel seemed like the latest episode in a periodic showdown. But there was a second, strategic agenda unfolding, according to American and Israeli officials: The exchange was something of a practice run for any future armed confrontation with Iran, featuring improved rockets that can reach Jerusalem and new antimissile systems to counter them.




It is Iran, of course, that most preoccupies Prime Minister Benjamin Netanyahu and President Obama. While disagreeing on tactics, both have made it clear that time is short, probably measured in months, to resolve the standoff over Iran’s nuclear program.


And one key to their war-gaming has been cutting off Iran’s ability to slip next-generation missiles into the Gaza Strip or Lebanon, where they could be launched by Iran’s surrogates, Hamas, Hezbollah and Islamic Jihad, during any crisis over sanctions or an Israeli strike on Iran’s nuclear facilities.


Michael B. Oren, the Israeli ambassador to the United States and a military historian, likened the insertion of Iranian missiles into Gaza to the Cuban missile crisis.


“In the Cuban missile crisis, the U.S. was not confronting Cuba, but rather the Soviet Union,” Mr. Oren said Wednesday, as the cease-fire was declared. “In Operation Pillar of Defense,” the name the Israel Defense Force gave the Gaza operation, “Israel was not confronting Gaza, but Iran.”


It is an imprecise analogy. What the Soviet Union was slipping into Cuba 50 years ago was a nuclear arsenal. In Gaza, the rockets and parts that came from Iran were conventional, and, as the Israelis learned, still have significant accuracy problems. But from one point of view, Israel was using the Gaza battle to learn the capabilities of Hamas and Islamic Jihad — the group that has the closest ties to Iran — as well as to disrupt those links.


Indeed, the first strike in the eight-day conflict between Hamas and Israel arguably took place nearly a month before the fighting began — in Khartoum, the capital of Sudan, as another mysterious explosion in the shadow war with Iran.


A factory said to be producing light arms blew up in spectacular fashion on Oct. 22, and within two days the Sudanese charged that it had been hit by four Israeli warplanes that easily penetrated the country’s airspace. Israelis will not talk about it. But Israeli and American officials maintain that Sudan has long been a prime transit point for smuggling Iranian Fajr rockets, the kind that Hamas launched against Tel Aviv and Jerusalem over recent days.


The missile defense campaign that ensued over Israeli territory is being described as the most intense yet in real combat anywhere — and as having the potential to change warfare in the same way that novel applications of air power in the Spanish Civil War shaped combat in the skies ever since.


Of course, a conflict with Iran, if a last-ditch effort to restart negotiations fails, would look different than what has just occurred. Just weeks before the outbreak in Gaza, the United States and European and Persian Gulf Arab allies were practicing at sea, working on clearing mines that might be dropped in shipping lanes in the Strait of Hormuz.


But in the Israeli and American contingency planning, Israel would face three tiers of threat in a conflict with Iran: the short-range missiles that have been lobbed in this campaign, medium-range rockets fielded by Hezbollah in Lebanon and long-range missiles from Iran.


The last of those three could include the Shahab-3, the missile Israeli and American intelligence believe could someday be fitted with a nuclear weapon if Iran ever succeeded in developing one and — the harder task — shrinking it to fit a warhead.


A United States Army air defense officer said that the American and Israeli militaries were “absolutely learning a lot” from this campaign that may contribute to a more effective “integration of all those tiered systems into a layered approach.”


The goal, and the challenge, is to link short-, medium- and long-range missile defense radar systems and interceptors against the different types of threats that may emerge in the next conflict.


Even so, a historic battle of missile versus missile defense has played out in the skies over Israel, with Israeli officials saying their Iron Dome system shot down 350 incoming rockets — 88 percent of all targets assigned to the missile defense interceptors. Israeli officials declined to specify the number of interceptors on hand to reload their missile-defense batteries.


Before the conflict began, Hamas was estimated to have amassed an arsenal of 10,000 to 12,000 rockets. Israeli officials say their pre-emptive strikes on Hamas rocket depots severely reduced the arsenal of missiles, both those provided by Iran and some built in Gaza on a Syrian design.


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Jake Owen Welcomes a Daughter




Celebrity Baby Blog





11/22/2012 at 08:30 PM ET



Jake Owen Welcomes Daughter Olive Pearl Courtesy Jake Owen


It’s a Thanksgiving baby!


Jake Owen and his wife Lacey welcomed their first child, daughter Olive Pearl Owen, on Thursday, Nov. 22 in Nashville, Tenn., his rep confirms to PEOPLE.


Pearl, as she will be called after Owen’s late godmother, weighed in at 6 lbs., 3 oz. and is 19½ inches long.


“Lacey and I are so excited to start our own family,” Owen, 31, tells PEOPLE. “We are looking forward to teaching Pearl everything we learned from our parents and also learning from her.”


Sharing a photo of his newborn daughter on Twitter, the musician wrote, “Today is the greatest day of my life. Turkey baby!!! Happy Thanksgiving.”

It’s been a whirlwind year for Owen and his wife, 22. After getting engaged on stage in April, the couple wed on the beach in May and announced the pregnancy in July.


– Sarah Michaud with reporting by Julie Dam


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AP PHOTOS: Simple surgery heals blind Indonesians

PADANG SIDEMPUAN, Indonesia (AP) — They came from the remotest parts of Indonesia, taking crowded overnight ferries and riding for hours in cars or buses — all in the hope that a simple, and free, surgical procedure would restore their eyesight.

Many patients were elderly and needed help to reach two hospitals in Sumatra where mass eye camps were held earlier this month by Nepalese surgeon Dr. Sanduk Ruit. During eight days, more than 1,400 cataracts were removed.

The patients camped out, sleeping side-by-side on military cots, eating donated food while fire trucks supplied water for showers and toilets. Many who had given up hope of seeing again left smiling after their bandages were removed.

"I've been blind for three years, and it's really bad," said Arlita Tobing, 65, whose sight was restored after the surgery. "I worked on someone's farm, but I couldn't work anymore."

Indonesia has one of the highest rates of blindness in the world, making it a target country for Ruit who travels throughout the developing world holding free mass eye camps while training doctors to perform the simple, stitch-free procedure he pioneered. He often visits hard-to-reach remote areas where health care is scarce and patients are poor. He believes that by teaching doctors how to perform his method of cataract removal, the rate of blindness can be reduced worldwide.

Cataracts are the leading cause of blindness globally, affecting about 20 million people who mostly live in poor countries, according to the World Health Organization.

"We get only one life, and that life is very short. I am blessed by God to have this opportunity," said Ruit, who runs the Tilganga Eye Center in Katmandu, Nepal. "The most important of that is training, taking the idea to other people."

During the recent camps, Ruit trained six doctors from Indonesia, Thailand and Singapore.

Here, in images, are scenes from the mobile eye camps:

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Egypt Leader and Obama Forge Link in Gaza Deal


Lefteris Pitarakis/Associated Press


Israelis in the town of Sderot watched a Palestinian missile on Wednesday, before a cease-fire.







WASHINGTON — President Obama skipped dessert at a long summit meeting dinner in Cambodia on Monday to rush back to his hotel suite. It was after 11:30 p.m., and his mind was on rockets in Gaza rather than Asian diplomacy. He picked up the telephone to call the Egyptian leader who is the new wild card in his Middle East calculations.




Over the course of the next 25 minutes, he and President Mohamed Morsi of Egypt hashed through ways to end the latest eruption of violence, a conversation that would lead Mr. Obama to send Secretary of State Hillary Rodham Clinton to the region. As he and Mr. Morsi talked, Mr. Obama felt they were making a connection. Three hours later, at 2:30 in the morning, they talked again.


The cease-fire brokered between Israel and Hamas on Wednesday was the official unveiling of this unlikely new geopolitical partnership, one with bracing potential if not a fair measure of risk for both men. After a rocky start to their relationship, Mr. Obama has decided to invest heavily in the leader whose election caused concern because of his ties to the Muslim Brotherhood, seeing in him an intermediary who might help make progress in the Middle East beyond the current crisis in Gaza.


The White House phone log tells part of the tale. Mr. Obama talked with Mr. Morsi three times within 24 hours and six times over the course of several days, an unusual amount of one-on-one time for a president. Mr. Obama told aides he was impressed with the Egyptian leader’s pragmatic confidence. He sensed an engineer’s precision with surprisingly little ideology. Most important, Mr. Obama told aides that he considered Mr. Morsi a straight shooter who delivered on what he promised and did not promise what he could not deliver.


“The thing that appealed to the president was how practical the conversations were — here’s the state of play, here are the issues we’re concerned about,” said a senior administration official who spoke on the condition of anonymity to discuss private conversations. “This was somebody focused on solving problems.”


The Egyptian side was also positive about the collaboration. Essam el-Haddad, the foreign policy adviser to the Egyptian president, described a singular partnership developing between Mr. Morsi, who is the most important international ally for Hamas, and Mr. Obama, who plays essentially the same role for Israel.


“Yes, they were carrying the point of view of the Israeli side but they were understanding also the other side, the Palestinian side,” Mr. Haddad said in Cairo as the cease-fire was being finalized on Wednesday. “We felt there was a high level of sincerity in trying to find a solution. The sincerity and understanding was very helpful.”


The fledgling partnership forged in the fires of the past week may be ephemeral, a unique moment of cooperation born out of necessity and driven by national interests that happened to coincide rather than any deeper meeting of the minds. Some longtime students of the Middle East cautioned against overestimating its meaning, recalling that Mr. Morsi’s Muslim Brotherhood constitutes a philosophical brother of Hamas even if it has renounced violence itself and become the governing party in Cairo.


“I would caution the president from believing that President Morsi has in any way distanced himself from his ideological roots,” said Robert Satloff, executive director of the Washington Institute for Near East Policy. “But if the president takes away the lesson that we can affect Egypt’s behavior through the artful use of leverage, that’s a good lesson. You can shape his behavior. You can’t change his ideology.”


Other veterans of Middle East policy agreed with the skepticism yet saw the seeds of what might eventually lead to broader agreement.


“It really is something with the potential to establish a new basis for diplomacy in the region,” said Tamara Cofman Wittes, who was Mr. Obama’s deputy assistant secretary of state for the Middle East until earlier this year and now runs the Saban Center for Middle East Policy at the Brookings Institution. “It’s just potential, but it’s particularly impressive potential.”


The relationship between the two leaders has come a long way in just 10 weeks. Mr. Morsi’s election in June as the first Islamist president of Egypt set nerves in Washington on edge and raised questions about the future of Egypt’s three-decade-old peace treaty with Israel. Matters worsened in September when Egyptian radicals protesting an anti-Islam video stormed the United States Embassy in Cairo.


Peter Baker reported from Washington, and David D. Kirkpatrick from Cairo.



This article has been revised to reflect the following correction:

Correction: November 21, 2012

An earlier version of this article misstated the given name of the director of the Saban Center for Middle East Policy at the Brookings Institution. She is Tamara Cofman Wittes, not Teresa.



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Mayim Bialik and Michael Stone Divorcing















11/21/2012 at 05:00 PM EST



After "much consideration and soul-searching," Mayim Bialik announced Wednesday that she and husband Michael Stone are divorcing after nine years of marriage.

The Big Bang Theory star, who has sons Miles, 7, and Fred, 4, with Stone, cites "irreconcilable differences" for the split, which she revealed in a statement on her Kveller.com parenting blog.

"Divorce is terribly sad, painful and incomprehensible for children. It is not something we have decided lightly," she writes.

The former star of TV's Blossom, 36, also says that the split is not due to the attachment parenting she discusses in her book Beyond the Sling. "Relationships are complicated no matter what style of parenting you choose," she says.

"The main priority for us now is to make the transition to two loving homes as smooth and painless as possible," Bialik continues. "Our sons deserve parents committed to their growth and health and that’s what we are focusing on. Our privacy has always been important and is even more so now, and we thank you in advance for respecting it as we negotiate this new terrain."

She concludes by saying, "We will be ok."

The couple were married in August 2003 in Pasadena, Calif.

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Study finds mammograms lead to unneeded treatment

Mammograms have done surprisingly little to catch deadly breast cancers before they spread, a big U.S. study finds. At the same time, more than a million women have been treated for cancers that never would have threatened their lives, researchers estimate.

Up to one-third of breast cancers, or 50,000 to 70,000 cases a year, don't need treatment, the study suggests.

It's the most detailed look yet at overtreatment of breast cancer, and it adds fresh evidence that screening is not as helpful as many women believe. Mammograms are still worthwhile, because they do catch some deadly cancers and save lives, doctors stress. And some of them disagree with conclusions the new study reached.

But it spotlights a reality that is tough for many Americans to accept: Some abnormalities that doctors call "cancer" are not a health threat or truly malignant. There is no good way to tell which ones are, so many women wind up getting treatments like surgery and chemotherapy that they don't really need.

Men have heard a similar message about PSA tests to screen for slow-growing prostate cancer, but it's relatively new to the debate over breast cancer screening.

"We're coming to learn that some cancers — many cancers, depending on the organ — weren't destined to cause death," said Dr. Barnett Kramer, a National Cancer Institute screening expert. However, "once a woman is diagnosed, it's hard to say treatment is not necessary."

He had no role in the study, which was led by Dr. H. Gilbert Welch of Dartmouth Medical School and Dr. Archie Bleyer of St. Charles Health System and Oregon Health & Science University. Results are in Thursday's New England Journal of Medicine.

Breast cancer is the leading type of cancer and cause of cancer deaths in women worldwide. Nearly 1.4 million new cases are diagnosed each year. Other countries screen less aggressively than the U.S. does. In Britain, for example, mammograms are usually offered only every three years and a recent review there found similar signs of overtreatment.

The dogma has been that screening finds cancer early, when it's most curable. But screening is only worthwhile if it finds cancers destined to cause death, and if treating them early improves survival versus treating when or if they cause symptoms.

Mammograms also are an imperfect screening tool — they often give false alarms, spurring biopsies and other tests that ultimately show no cancer was present. The new study looks at a different risk: Overdiagnosis, or finding cancer that is present but does not need treatment.

Researchers used federal surveys on mammography and cancer registry statistics from 1976 through 2008 to track how many cancers were found early, while still confined to the breast, versus later, when they had spread to lymph nodes or more widely.

The scientists assumed that the actual amount of disease — how many true cases exist — did not change or grew only a little during those three decades. Yet they found a big difference in the number and stage of cases discovered over time, as mammograms came into wide use.

Mammograms more than doubled the number of early-stage cancers detected — from 112 to 234 cases per 100,000 women. But late-stage cancers dropped just 8 percent, from 102 to 94 cases per 100,000 women.

The imbalance suggests a lot of overdiagnosis from mammograms, which now account for 60 percent of cases that are found, Bleyer said. If screening were working, there should be one less patient diagnosed with late-stage cancer for every additional patient whose cancer was found at an earlier stage, he explained.

"Instead, we're diagnosing a lot of something else — not cancer" in that early stage, Bleyer said. "And the worst cancer is still going on, just like it always was."

Researchers also looked at death rates for breast cancer, which declined 28 percent during that time in women 40 and older — the group targeted for screening. Mortality dropped even more — 41 percent — in women under 40, who presumably were not getting mammograms.

"We are left to conclude, as others have, that the good news in breast cancer — decreasing mortality — must largely be the result of improved treatment, not screening," the authors write.

The study was paid for by the study authors' universities.

"This study is important because what it really highlights is that the biology of the cancer is what we need to understand" in order to know which ones to treat and how, said Dr. Julia A. Smith, director of breast cancer screening at NYU Langone Medical Center in New York. Doctors already are debating whether DCIS, a type of early tumor confined to a milk duct, should even be called cancer, she said.

Another expert, Dr. Linda Vahdat, director of the breast cancer research program at Weill Cornell Medical College in New York, said the study's leaders made many assumptions to reach a conclusion about overdiagnosis that "may or may not be correct."

"I don't think it will change how we view screening mammography," she said.

A government-appointed task force that gives screening advice calls for mammograms every other year starting at age 50 and stopping at 75. The American Cancer Society recommends them every year starting at age 40.

Dr. Len Lichtenfeld, the cancer society's deputy chief medical officer, said the study should not be taken as "a referendum on mammography," and noted that other high-quality studies have affirmed its value. Still, he said overdiagnosis is a problem, and it's not possible to tell an individual woman whether her cancer needs treated.

"Our technology has brought us to the place where we can find a lot of cancer. Our science has to bring us to the point where we can define what treatment people really need," he said.

___

Online:

Study: http://www.nejm.org/doi/full/10.1056/NEJMoa1206809

Screening advice: http://www.uspreventiveservicestaskforce.org/uspstf/uspsbrca.htm

___

Marilynn Marchione can be followed at http://twitter.com/MMarchioneAP

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Labor march ties up traffic near LAX on busy getaway day









The day before Thanksgiving is one of the busiest days of the year for Los Angeles International Airport, and union organizers knew it would likely send a message if they could snarl traffic by marching through the streets and clogging a heavily used intersection near LAX.


So while travelers hurried to their terminals Wednesday afternoon, about 1,500 protesters carrying signs that read "Living Wage & Affordable Health Care" and chanting "Respect, respect, respect at LAX" filled one side of Century Boulevard near the entrance to the airport for a briefly disruptive, but mostly permitted walk and rally.


"We're out here to fight to keep affordable healthcare, the living wage ordinance, and to get rid of this rogue contractor Aviation Safeguards, who is threatening everybody's livelihood," said Robin Wilson, 39, a security worker at the airport and a member of SEIU United Service Workers West, the union that organized the march.





About 45 minutes later the group intentionally disobeyed the law and clogged the intersection of Century and Sepulveda boulevards. A dozen activists, including three who organizers identified as L.A. City Council candidates Ana Grande, Ana Cubas and Ron Gochez, then sat down in the middle of the intersection, knowing they would likely be arrested. They refused to leave even after police told them to disperse, while the rest of the crowd backed away.


The 12 were arrested on a misdemeanor charge. Los Angeles Police Department Cmdr. Andrew Smith said they would be booked and probably released on their own recognizance. Smith said another man was also arrested on suspicion of disobeying police orders because the man "kept pushing back, pushing back against our officers."


Mary Grady, a spokesperson for LAX, said the demonstration caused "some congestion initially.... [But] once we started rerouting people, it started to get moving."


"We did have some employee buses, they had to be diverted and were 20 minutes behind schedule, but other than that we didn't have any reports — preliminarily — of any flight delays or anyone missing their flights" because of the protest, Grady said.


Union officials and their supporters have repeatedly demonstrated at LAX to protest working conditions and what they consider improper conduct by Aviation Safeguards, an airline services company whose employees are no longer unionized. The private firm has 450 employees who work as security personnel, skycaps, baggage handlers and wheelchair assistants for more than 50 airlines at LAX.


Company officials said that in December 2011, a majority of the firm's employees exercised their legal right to reject the SEIU as their union.


"We voted to cancel our agreement with the SEIU because they took our money and did nothing for us," said Edgar Rivas, a security guard who has worked at Aviation Safeguards since 2006. "Now we earn more money, and have more healthcare options."


SEIU United Service Workers West alleges Aviation Safeguards ignored proper procedure for decertifying representation and coerced its employees to vote against the union. But there have been no findings by government oversight agencies that support the accusations.


Union officials also say the company is denying affordable healthcare to its workers and has violated the city's living wage ordinance because it gave workers a choice to take insurance or a higher wage.


Joe Conlon, a regional vice president for Aviation Safeguards, says that the firm has a different interpretation of the Los Angeles living wage ordinance, but has agreed to obey a city determination that employers cannot give workers a choice to take insurance or more pay even if the worker has other medical coverage.


Last month, the SEIU demanded that Los Angeles World Airports, which operates LAX, revoke Aviation Safeguards' five-year agreement to operate at the airport. The company has about four years to go on the license, which can be canceled without cause by either party.


So far, the city's Board of Airport Commissioners has not terminated the agreement.


Wednesday's action might also have been a strategic show of strength by the SEIU at a time when its labor contracts with five airline service companies are set to expire for about 2,000 workers at LAX, including cabin cleaners, wheelchair assistants, janitors, cargo workers and baggage handlers.


ari.bloomekatz@latimes.com


dan.weikel@latimes.com





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