OpenStack at Linux.conf.au 2013






I’m writing this blog post from Canberra Australia, while attending the Linux.conf.au (LCA) open source conference. Among the people who do these sorts of things, LCA has a well deserved reputation as one of the very best open source conferences in the world.


Geeks from across Australia and New Zealand, and from across the rest of the world, come together for a week in January (summer in this part of the world) to talk about everything from the intricate technical details of Linux kernel design to pushing the state of the art in file systems and issues deploying practical wireless cryptography. Softer but equally important topics such as Open Government, gender balance in technology, and international legal issues are also discussed. Read more about OpenStack at Linux.conf.au 2013 »






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Beyonce admits Inauguration Day pre-recording


NEW ORLEANS (AP) — Beyonce answered critics of her Inauguration Day performance the best way she could — with another sterling performance of the national anthem.


The difference?


On Thursday, it was live: She admitted during her Super Bowl news conference that when she performed for President Barack Obama and the nation, she decided to sing to a prerecorded track because she didn't have time to practice. Calling herself a self-proclaimed "perfectionist," she said wanted the day to go off without a hitch.


"I practice until my feet bleed and I did not have time to rehearse with the orchestra," she said, adding that she was also emotional that day. "Due to no proper sound check, I did not feel comfortable taking a risk. It was about the president and the inauguration, and I wanted to make him and my country proud, so I decided to sing along with my pre-recorded track, which is very common in the music industry. And I'm very proud of my performance."


It was the superstar's first public comments on what has become known as "Beyonce-gate." Her rendition of the anthem at the inauguration was critically praised, but it came under scrutiny less than a day later when a representative from the U.S. Marine Band said Beyonce wasn't singing live and the band's accompanying performance was taped. Shortly after, the group backed off its initial statement and said no one could tell if she was singing live or not.


With the controversy growing each day, and everyone from politicians to other entertainers weighing in, the inauguration performance threatened to overshadow her planned Super Bowl halftime show. So the 31-year-old, wearing a tight, cream mini-dress, addressed the issue as soon as she took to the podium Thursday afternoon.


She asked everyone to stand, and, with an image of the American flag behind her, performed a live rendition of the national anthem that mirrored the one on Inauguration Day. After, she said with a laugh: "Any questions?"


Despite her performance, there were.


When pressed about whether any sound was coming from her voice when she sang for the president, she said she was singing along to the track and not mimicking. And when asked if she would be singing live at the Super Bowl, she said: "I will absolutely be singing live.


"This is what I was born to do."


She added later: "I always sing live. ... The inauguration was unfortunately a time where I could not rehearse with the orchestra, actually because I was rehearsing for the Super Bowl. So that was always the plan."


Beyonce also got a chance to talk more in detail about the reason why she was in New Orleans — to perform at the halftime show. Calling it one of her career aspirations, she said when she arrived at the Superdome, she was so moved by the experience she took her shoes of and ran on the field, taking in the history at the famed venue.


"It really makes me emotional," she said. "When I am no longer here, it's what they're gonna show."


Beyonce has teased photos and video of herself preparing for the show, which will perhaps be the biggest audience of her career. Last year, Madonna's halftime performance was the most-watched Super Bowl halftime performance ever, with an average of 114 million viewers. It garnered more viewers than the game itself, which was the most-watched U.S. TV event in history.


But she would not give anything more away about the performance. While a Destiny's Child reunion was shot down by Michelle Williams, who is starring in a production of "Fela!", the third Destiny's Child member, Kelly Rowland, is in town. Beyonce laughed off questions of whether Rowland or Beyonce's husband, Jay-Z, would join her on stage.


"I can't give you any details, sorry," she said.


She also would not reveal her set list, though acknowledged she was having a hard time trying to "condense a career into 12 minutes."


Before the news conference, Beyonce's "Life is But A Dream" was shown to the media. The documentary about the star's life features her talking in-depth about intimate details of her life, including suffering a miscarriage; it will air on HBO on Feb. 16.


In it, she also reveals more of her 1-year-old daughter Blue Ivy, whom she called her inspiration.


"I feel like my daughter changed me and changed my life and has given me so much purpose," she said. She added that she was counting down until 9 p.m. Sunday, when her performance would be over — and she could be reunited with Blue Ivy.


___


Follow Nekesa Mumbi Moody at http://www.twitter.com


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Well: Waiting for Alzheimer's to Begin

My gray matter might be waning. Then again, it might not be. But I swear that I can feel memories — as I’m making them — slide off a neuron and into a tangle of plaque. I steel myself for those moments to come when I won’t remember what just went into my head.

I’m not losing track of my car keys, which is pretty standard in aging minds. Nor have I ever forgotten to turn off the oven after use, common in menopausal women. I can always find my car in the parking lot, although lots of “normal” folk can’t.

Rather, I suddenly can’t remember the name of someone with whom I’ve worked for years. I cover by saying “sir” or “madam” like the Southerner I am, even though I live in Vermont and grown people here don’t use such terms. Better to think I’m quirky than losing my faculties. Sometimes I’ll send myself an e-mail to-do reminder and then, seconds later, find myself thrilled to see a new entry pop into my inbox. Oops, it’s from me. Worse yet, a massage therapist kicked me out of her practice for missing three appointments. I didn’t recall making any of them. There must another Nancy.

Am I losing track of me?

Equally worrisome are the memories increasingly coming to the fore. Magically, these random recollections manage to circumnavigate my imagined build-up of beta-amyloid en route to delivering vivid images of my father’s first steps down his path of forgetting. He was the same age I am now, which is 46.

“How old are you?” I recall him asking me back then. Some years later, he began calling me every Dec. 28 to say, “Happy birthday,” instead of on the correct date, Dec. 27. The 28th had been his grandmother’s birthday.

The chasms were small at first. Explainable. Dismissible. When he crossed the street without looking both ways, we chalked it up to his well-cultivated, absent-minded professor persona. But the chasms grew into sinkholes, and eventually quicksand. When we took him to get new pants one day, he kept trying on the same ones he wore to the store.

“I like these slacks,” he’d say, over and over again, as he repeatedly pulled his pair up and down.

My dad died of Alzheimer’s last April at age 73 — the same age at which his father succumbed to the same disease. My dad ended up choosing neurology as his profession after witnessing the very beginning of his own dad’s forgetting.

Decades later, grandfather’s atrophied brain found its way into a jar on my father’s office desk. Was it meant to be an ever-present reminder of Alzheimer’s effect? Or was it a crystal ball sent to warn of genetic fate? My father the doctor never said, nor did he ever mention, that it was his father’s gray matter floating in that pool of formaldehyde.

Using the jarred brain as a teaching tool, my dad showed my 8-year-old self the difference between frontal and temporal lobes. He also pointed out how brains with Alzheimer’s disease become smaller, and how wide grooves develop in the cerebral cortex. But only after his death — and my mother’s confession about whose brain occupied that jar — did I figure out that my father was quite literally demonstrating how this disease runs through our heads.

Has my forgetting begun?

I called my dad’s neurologist. To find out if I was in the earliest stages of Alzheimer’s, he would have to look for proteins in my blood or spinal fluid and employ expensive neuroimaging tests. If he found any indication of onset, the only option would be experimental trials.

But documented confirmation of a diseased brain would break my still hopeful heart. I’d walk around with the scarlet letter “A” etched on the inside of my forehead — obstructing how I view every situation instead of the intermittent clouding I currently experience.

“You’re still grieving your father,” the doctor said at the end of our call. “Sadness and depression affect the memory, too. Let’s wait and see.”

It certainly didn’t help matters that two people at my father’s funeral made some insensitive remarks.

“Nancy, you must be scared to death.”

“Is it hard knowing the same thing probably will happen to you?”

Maybe the real question is what to do when the forgetting begins. My dad started taking 70 supplements a day in hopes of saving his mind. He begged me to kill him if he wound up like his father. He retired from his practice and spent all day in a chair doing puzzles. He stopped making new memories in an all-out effort to preserve the ones he already had.

Maybe his approach wasn’t the answer.

Just before his death — his brain a fraction of its former self — my father managed to offer up a final lesson. I was visiting him in the memory-care center when he got a strange look on his face. I figured it was gas. But then his eyes lit up and a big grin overtook him, and he looked right at me and said, “Funny how things turn out.”

An unforgettable moment?

I can only hope.



Nancy Stearns Bercaw is a writer in Vermont. Her book, “Brain in a Jar: A Daughter’s Journey Through Her Father’s Memory,” will be published in April 2013 by Broadstone.

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Twitter says it's working to fix problem with accessing the site









If you're having trouble tweeting Thursday, you aren't alone.


Twitter has been either inaccessible, slow or not performing properly for some users Thursday morning.


The San Francisco-based social network acknowledged the problems around 7:30 a.m. PST, saying, "Some users may be experiencing issues accessing Twitter."





10 tech companies to watch in 2013


The company's Status website also said that the company's engineers were working to resolve the problem.


[Updated 10:45 a.m. PST Jan. 31: Twitter says it has resolved the issues that affected its Web and mobile users from 7 a.m. to 9:50 a.m. PST.


"We apologize to users who were affected by this, and we’re working to ensure that similar issues do not occur," the company said.]


Users of the popular network took to Facebook to ask others about Twitter's problems and mocked the site when it began to work properly for some of them.




ALSO:


Facebook beats Wall Street expectations but shares fall anyway


'Temple Run 2' becomes fastest growing mobile game of all time


Apple, Samsung claim 95% of global cellphone profits, report says





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Patty Andrews dies at 94; Andrews Sisters' last surviving member









They were the swinging, sassy voice of the homefront for U.S. service personnel overseas during World War II, singing catchy hit tunes such as "Boogie Woogie Bugle Boy" and "Rum and Coca Cola" that delighted Americans and catapulted the Andrews Sisters to the very top of the pop charts.


One of the most successful female recording groups in pop history, the sisters — LaVerne, Maxene and Patty Andrews — became a beloved American institution, lifting the nation's spirits during a conflict whose outcome seemed often in doubt.


When the war ended in 1945, it was even the Andrews Sisters who announced it, to 5,000 GI's during a USO concert in Italy as the men were heading for duty in the Pacific. The troops' commanding officer had interrupted the show, handing the women a note that was read aloud by the youngest, Patty Andrews.





"At first there was dead silence," her sister Maxene told The Times years later. "Then Patty repeated the message. 'This is really true,' she told them, and then she started to cry. Suddenly there was a roar. They knew they would be going home, and they did."


Patty Andrews, the group's lead singer and its last surviving member, died Wednesday of natural causes at her longtime home in Northridge, according to her attorney, Richard Rosenthal. She was 94. Maxene, the middle Andrews sister, died in 1995 and LaVerne, the eldest, in 1967.


The Andrews Sisters began singing professionally in 1932, when Patty was just 14, and scored their first major success in 1938 with an English version of the Yiddish song "Bei Mir Bist du Schon" (or "To me, you're grand," as the sisters put it.) The song zoomed to No. 1 and made them overnight stars.


Known for their close, three-part harmonies, full-throated delivery and humor on stage, they churned out hit after hit, including "Don't Sit Under the Apple Tree," "Beer Barrel Polka," "Hold Tight, Hold Tight," "Beat Me Daddy, Eight to the Bar," "Rhumboogie," "Shoo-Shoo Baby," "Strip Polka," and "I Can Dream, Can't I?"


Two of their biggest wartime singles were the Caribbean-influenced "Rum and Coca Cola" and "I'll Be With You in Apple Blossom Time," one of their rare ballads.


From 1938 to 1951, they had 19 gold records, dozens of top 10 singles and record sales of nearly 100 million. They performed and recorded with the biggest stars of their day, among them Bing Crosby, Al Jolson, Danny Kaye, Glenn Miller, Benny Goodman and Carmen Miranda.


They appeared as themselves in more than a dozen movies, including the Abbott and Costello comedies "Buck Privates" and "In the Navy," both released in 1941, and the Bob Hope, Bing Crosby and Dorothy Lamour film "Road to Rio" in 1947.


They appeared at war bond rallies at home and entertained the troops overseas, becoming synonymous with the war effort.


"Looking back nostalgically at the war years, three memories come immediately to mind: Eagles, flags and the Andrews Sisters," journalist Rex Reed told the Toronto Star in 1992. "LaVerne sang low, Maxene sang high, and Patty was the bouncy blond in the middle, singing and swaying to the melody."


In 1973, long after their music had faded from the scene, the Andrews Sisters enjoyed a remarkable resurgence with the release of Bette Midler's version of "Boogie Woogie Bugle Boy," which brought them to the attention of a new generation of fans.


The following year, the two surviving Andrews sisters were a hit all over again, starring on Broadway in the nostalgic World War II musical "Over Here." It ran for a year.


Patricia Marie Andrews was born in Mound, Minn., near Minneapolis, on Feb. 16, 1918, to Olga, a Norwegian American, and Peter Andrews, a Greek immigrant. She and her sisters were junior high dropouts who went on the road in the early 1930s when their father's business foundered, playing in the roadhouses and on the vaudeville stages of the Midwest to help support their family.


They eventually made their way to New York, where an executive at Decca Records offered them a contract to make four singles at $50 apiece. One of the four was "Nice Work If You Can Get It," which went nowhere. But on the flip side was "Bei Mir Bist Du Schoen," which launched them to stardom.


But the sisters' close musical harmonies belied a private relationship that was often troubled, culminating in a falling out between Patty and Maxene that lasted more than 20 years. Music industry insiders blamed it on a dispute between Maxene and Patty's husband, Walter Weschler, the group's conductor and arranger, who died in 2010.


Although the sisters lived near each other in the San Fernando Valley, according to published reports, they spoke rarely and saw each other just twice from 1974 to Maxene's death in 1995: when Patty paid a bedside visit to her sister in 1982 after Maxene suffered a heart attack, and in 1987, when they were together at the public dedication of their star on the Hollywood Walk of Fame.


That year, the two spoke of the feud in separate interviews with The Times.


Maxene Andrews said it may simply have been the result of too many years of working so closely together. "There was really no breathing room ... ," she said. "We ate together, slept together, went out socially together. If we were going someplace, we got in the car together.... You can see how glued we were. There had to be a breaking point."


Patty Andrews was less willing to speak about the issue, but said her sister was just jealous. "Ever since I was born, Maxene has been a problem, and that problem hasn't stopped," she said, but declined to discuss the matter further.


"I'm not going to do anything or say anything to destroy that image that the people love," she said. "I hear that from the people that they love the Andrews Sisters and it's a joy to them. Who am I to take that away?"


Patty Andrews' first marriage, to agent Martin Melcher, ended in divorce in 1950 after he left her for Doris Day. She married Weschler in 1951 and they remained married until his death. She had no immediate survivors.


rebecca.trounson@latimes.com





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TSX closes lower as RIM, Fed decision weigh






TORONTO (Reuters) – Canada’s main stock index closed lower on Wednesday, hurt by a fall in Research In Motion Ltd after it released its long-awaited BlackBerry 10 devices, and broad market weakness after the U.S. Federal Reserve decided to leave its stimulus program intact.


The Toronto Stock Exchange‘s S&P/TSX composite index <.gsptse> closed 36.12 points, or 0.28 percent, lower at 12,794.44. Nine of the 10 main sectors on the index declined.</.gsptse>






(Reporting by John Tilak; Editing by Peter Galloway)


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Patty Andrews of Andrews sisters dead at 94


LOS ANGELES (AP) — Patty Andrews, the last surviving member of the singing Andrews Sisters trio whose hits such as the rollicking "Boogie Woogie Bugle Boy of Company B" and the poignant "I Can Dream, Can't I?" captured the home-front spirit of World War II, died Wednesday. She was 94.


Andrews died of natural causes at her home in the Los Angeles suburb of Northridge, said family spokesman Alan Eichler in a statement.


Patty was the Andrews in the middle, the lead singer and chief clown, whose raucous jitterbugging delighted American servicemen abroad and audiences at home.


She could also deliver sentimental ballads like "I'll Be with You in Apple Blossom Time" with a sincerity that caused hardened GIs far from home to weep.


From the late 1930s through the 1940s, the Andrews Sisters produced one hit record after another, beginning with "Bei Mir Bist Du Schoen" in 1937 and continuing with "Beat Me Daddy, Eight to the Bar," ''Rum and Coca-Cola" and more. They recorded more than 400 songs and sold over 80 million records, several of them gold (over a million copies).


Other sisters, notably the Boswells, had become famous as singing acts, but mostly they huddled before a microphone in close harmony. The Andrews SistersLaVerne, Maxene and Patty — added a new dimension. During breaks in their singing, they cavorted about the stage in rhythm to the music.


Their voices combined with perfect synergy. As Patty remarked in 1971: "There were just three girls in the family. LaVerne had a very low voice. Maxene's was kind of high, and I was between. It was like God had given us voices to fit our parts."


The Andrews's rise coincided with the advent of swing music, and their style fit perfectly into the new craze. They aimed at reproducing the sound of three harmonizing trumpets.


"I was listening to Benny Goodman and to all the bands," Patty once remarked. "I was into the feel, so that would go into my own musical ability. I was into swing. I loved the brass section."


Unlike other singing acts, the sisters recorded with popular bands of the '40s, fitting neatly into the styles of Benny Goodman, Glenn Miller, Jimmy Dorsey, Bob Crosby, Woody Herman, Guy Lombardo, Desi Arnaz and Russ Morgan. They sang dozens of songs on records with Bing Crosby, including the million-seller "Don't Fence Me In." They also recorded with Dick Haymes, Carmen Miranda, Danny Kaye, Al Jolson, Jimmy Durante and Red Foley.


The Andrews' popularity led to a contract with Universal Pictures, where they made a dozen low-budget musical comedies between 1940 and 1944. In 1947, they appeared in "The Road to Rio" with Bing Crosby, Bob Hope and Dorothy Lamour.


The trio continued until LaVerne's death in 1967. By that time the close harmony had turned to discord, and the sisters had been openly feuding.


Bette Midler's 1973 cover of "Boogie Woogie Bugle Boy" revived interest in the trio. The two survivors joined in 1974 for a Broadway show, "Over Here!" It ran for more than a year, but disputes with the producers led to the cancellation of the national tour of the show, and the sisters did not perform together again.


Patty continued as a single, finding success in Las Vegas and on TV variety shows. Her sister also toured as a single until her death in 1995.


Her father, Peter Andrews, was a Greek immigrant who anglicized his name of Andreus when he arrived in America; his wife, Olga, was a Norwegian with a love of music. LaVerne was born in 1911, Maxine (later Maxene) in 1916, Patricia (later Patty, sometimes Patti) in 1918, though some sources say 1920.


Listening to the Boswell Sisters on radio, LaVerne played the piano and taught her sisters to sing in harmony; neither Maxene nor Patty ever learned to read music. All three studied singers at the vaudeville house near their father's restaurant. As their skills developed, they moved from amateur shows to vaudeville and singing with bands.


After Peter Andrews moved the family to New York in 1937, his wife, Olga, sought singing dates for the girls. They were often turned down with comments such as: "They sing too loud and they move too much." Olga persisted, and the sisters sang on radio with a hotel band at $15 a week. The broadcasts landed them a contract with Decca Records.


They recorded a few songs, and then came "Bei Mir Bist Du Schoen," an old Yiddish song for which Sammy Cahn and Saul Kaplan wrote English lyrics. (The title means, "To Me You Are Beautiful.") It was a smash hit, and the Andrews Sisters were launched into the bigtime.


Their only disappointment was the movies. Universal was a penny-pinching studio that ground out product to fit the lower half of a double bill. The sisters were seldom involved in the plots, being used for musical interludes in film with titles such as "Private Buckaroo," ''Swingtime Johnny" and "Moonlight and Cactus."


Their only hit was "Buck Privates," which made stars of Abbott and Costello and included the trio's blockbuster "Boogie Woogie Bugle Boy from Company B."


In 1947, Patty married Martin Melcher, an agent who represented the sisters as well as Doris Day, then at the beginning of her film career. Patty divorced Melcher in 1949 and soon he became Day's husband, manager and producer.


Patty married Walter Weschler, pianist for the sisters, in 1952. He became their manager and demanded more pay for himself and for Patty. The two other sisters rebelled, and their differences with Patty became public. Lawsuits were filed between the two camps.


"We had been together nearly all our lives," Patty explained in 1971. "Then in one year our dream world ended. Our mother died and then our father. All three of us were upset, and we were at each other's throats all the time."


LaVerne died in 1967 of cancer and Maxene died in 1995 of a heart attack.


Patty Andrews is survived by her foster daughter, Pam DuBois, a niece and several cousins. Her husband, Walter Weschler, died in 2010.


A memorial service was planned in Los Angeles, with the date to be determined.


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Well: Myths of Weight Loss Are Plentiful, Researcher Says

If schools reinstated physical education classes, a lot of fat children would lose weight  And they might never have gotten fat in the first place if their mothers had just breast fed them when they were babies. But be warned: obese people should definitely steer clear of crash diets. And they can lose more than 50 pounds in five years simply by walking a mile a day.

Those are among the myths and unproven assumptions about obesity and weight loss that have been repeated so often and with such conviction that even scientists like David B. Allison, who directs the Nutrition Obesity Research Center at the University of Alabama at Birmingham, have fallen for some of them.

Now, he is trying to set the record straight. In an article published online today in The New England Journal of Medicine, he and his colleagues lay out seven myths and six unsubstantiated presumptions about obesity. They also list nine facts that, unfortunately, promise little in the way of quick fixes for the weight-obsessed. Example: “Trying to go on a diet or recommending that someone go on a diet does not generally work well in the long term.”

Obesity experts applauded this plain-spoken effort to dispell widespread confusion about obesity. The field, they say, has become something of a quagmire.

“In my view,” said Dr. Jeffrey M. Friedman, a Rockefeller University obesity researcher, “there is more misinformation pretending to be fact in this field than in any other I can think of.”

Others agreed, saying it was about time someone tried to set the record straight.

“I feel like cheering,” said Madelyn Fernstrom, founding director of the University of Pittsburgh Weight Management Center. When it comes to obesity beliefs, she said, “We are spinning out of control.”

Steven N. Blair, an exercise and obesity researcher at the University of South Carolina said his own students believe many of the myths. “I like to challenge my students. Can you show me the data? Too often that doesn’t come into it.”

Dr. Allison sought to establish what is known to be unequivocally true about obesity and weight loss.

His first thought was that, of course, weighing oneself daily helped control weight. He checked for the conclusive studies he knew must exist. They did not.

“My goodness, after 50-plus years of studying obesity in earnest and all the public wringing of hands, why don’t we know this answer?” Dr. Allison asked. “What’s striking is how easy it would be to check. Take a couple of thousand people and randomly assign them to weigh themselves every day or not.”

Yet it has not been done.

Instead, people often rely on weak studies that get repeated ad infinitum. It is commonly thought, for example, that people who eat breakfast are thinner. But that notion is based on studies of people who happened to eat breakfast. Researchers then asked if they were fatter or thinner than people who happened not to eat breakfast — and found an association between eating breakfast and being thinner. But such studies can be misleading because the two groups might be different in other ways that cause the breakfast eaters to be thinner. But no one has randomly assigned people to eat breakfast or not, which could cinch the argument.

So, Dr. Allison asks, why do yet another study of the association between thinness and breakfast? “Yet, I can tell you that in the last two weeks I saw an association study of breakfast eating in Islamabad and another in Inner Mongolia and another in a country I never heard of.”

“Why are we doing these?” Dr. Allison asked. “All that time and effort is essentially wasted. The question is: ‘Is it a causal association?’” To get the answer, he added, “Do the clinical trial.”

He decided to do it himself, with university research funds. A few hundred people will be recruited and will be randomly assigned to one of three groups. Some will be told to eat breakfast every day, others to skip breakfast, and the third group will be given vague advice about whether to eat it or not.

As he delved into the obesity literature, Dr. Allison began to ask himself why some myths and misconceptions are so commonplace. Often, he decided, the beliefs reflected a “reasonableness bias.” The advice sounds so reasonable it must be true. For example, the idea that people do the best on weight-loss programs if they set reasonable goals sounds so sensible.

“We all want to be reasonable,” Dr. Allison said. But, he said, when he examined weight-loss studies he found no consistent association between the ambitiousness of the goal and how much weight was lost and how long it had stayed off. This myth, though, illustrates the tricky ground weight-loss programs have to navigate when advising dieters. The problem is that on average people do not lose much – 10 percent of their weight is typical – but setting 10 percent as a goal is not necessarily the best strategy. A very few lose a lot more and some people may be inspired by the thought of a really life-changing weight loss.

“If a patient says, ‘Do you think it is reasonable for me to lose 25 percent of my body weight,’ the honest answer is, ‘No. Not without surgery,’” Dr. Allison said. But, he said, “If a patient says, ‘My goal is to lose 25 percent of my body weight,’ I would say, ‘Go for it.’”

Yet all this negativism bothers people, Dr. Allison conceded. When he talks about his findings to scientists, they often say, “O.K., you’ve convinced us. But what can we do? We’ve got to do something.” He replies that scientists have an ethical duty to make clear what is established and what is speculation. And while it is fine to recommend things like bike paths or weighing yourself daily, scientists must make sure they preface their advice with the caveat that these things seem sensible but have not been proven.

Among the best established methods is weight-loss surgery, which, of course, is not right for most people. But surgeons have done careful studies to show that on average people lose substanial amounts of weight and their health improves, Dr. Allison said. For dieters, the best results occur with structured programs, like ones that supply complete meals or meal replacements.

In the meantime, Dr. Allison said, it is incumbent upon scientists to change their ways. “We need to do rigorous studies,” he said. “We need to stop doing association studies after an association has clearly been demonstrated.”

“I never said we have to wait for perfect knowledge,” Dr. Allison said. But, as John Lennon said, “Just give me some truth.”

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Facebook beats Wall Street expectations but shares fall anyway









Facebook Inc. reported fourth-quarter financial results that beat Wall Street expectations, but it shares are falling anyway.


Revenue rose 40% to nearly $1.6 billion in the fourth quarter, above analyst estimates. That marked the first growth acceleration since Facebook started selling shares to the public in May.

Facebook said it earned $64 million, or 3 cents a share, compared with $302 million, or 14 cents a share, a year earlier.


"In 2012, we connected over a billion people and became a mobile company," Chief Executive Mark Zuckerberg said in a written statement that accompanied the fourth-quarter financial results. "We enter 2013 with good momentum and will continue to invest to achieve our mission and become a stronger, more valuable company."





Since Facebook's overhyped initial public offering landed on Wall Street with a big thud, the company has had a tough time winning friends there.


"I don't think any investors are going to unfriend Facebook for these numbers. I think the stock is trading down a bit because people were expecting a blowout quarter, and what they got was a good-but-not-great quarter," said Bill Burnham with hedge fund Inductive Capital.


Facebook shares fell 3% in after-hours trading after the fourth-quarter results were released.


Investors will be listening for clues this afternoon whether Facebook has made progress in reinventing itself as a mobile business. It's a challenge it must meet to retain users and regain its luster on Wall Street.


How successful the company has been in that quest became clearer in its fourth-quarter earnings report. Mobile advertising accounted for about 23% of ad revenue in the quarter, up from 14% in the third quarter, Facebook said. The figure was in the ballpark of what analysts had expected.


Mobile ads have become increasingly important for Facebook as more of its users check their News Feed on their smartphones and tablets rather than on personal computers.


Signs that mobile ads were starting to gain traction have pushed up Facebook shares, which reached rock bottom in early September.


Facebook has also rolled out new applications for the iPhone and mobile phones powered by Android software. But not everything has a mobile focus. There is no mobile version of Graph Search, which Facebook rolled out this month.


ALSO:


With a billion users, Facebook still pushes to grow


Facebook posts a loss but makes gains in mobile ad sales


Facebook adds search feature; the 1st step in taking on Google?


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Senate overwhelmingly approves John Kerry for secretary of State









WASHINGTON — The Senate voted overwhelmingly Tuesday to confirm Sen. John F. Kerry (D-Mass.) as the next secretary of State, filling a crucial national security spot in President Obama’s second-term Cabinet.

The 94-3 vote clears the way for Kerry to replace Hillary Rodham Clinton after she steps down Friday.


Kerry, who will become America’s 68th top diplomat, failed to win only three Republican votes — Sens. John Cornyn and Rafael “Ted” Cruz, both of Texas, and Sen. James M. Inhofe of Oklahoma. 

A spokesman for Cornyn said Kerry supported liberal positions that most Texans oppose. Cruz has criticized Kerry, who fought in the Vietnam War, as anti-military.





Earlier Wednesday, Kerry received the unanimous endorsement of the Senate Foreign Relations Committee in a voice vote. He served on the committee for 28 years and chaired it for the last four.


Sen. Bob Corker (R-Tenn.), the ranking Republican on the committee, praised Kerry as a “realist” on foreign affairs issues, and said he was always “open to discussion” with colleagues of the opposite party.


Corker, noting that Kerry’s father was a foreign service officer, said he knew of no one “who’s lived a life that’s been ultimately more oriented toward being secretary of State.”

Leading Republican senators had promoted Kerry as an alternative to Susan Rice, the U.S. ambassador to the United Nations, for the job. Rice withdrew her name from consideration after Republicans criticized her for statements she made on TV talk shows after the deadly Sept. 11 attack on the U.S. mission in Benghazi, Libya.


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mike.memoli@latimes.com


Twitter: @mikememoli


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