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High-energy physicists set record for network data transfer

Tuesday, December 13, 2011

Researchers have set a new world record for data transfer, helping to usher in the next generation of high-speed network technology. At the SuperComputing 2011 (SC11) conference in Seattle during mid-November, the international team transferred data in opposite directions at a combined rate of 186 gigabits per second (Gbps) in a wide-area network circuit. The rate is equivalent to moving two million gigabytes per day, fast enough to transfer nearly 100,000 full Blu-ray disks?each with a complete movie and all the extras?in a day.

The team of high-energy physicists, computer scientists, and network engineers was led by the California Institute of Technology (Caltech), the University of Victoria, the University of Michigan, the European Center for Nuclear Research (CERN), Florida International University, and other partners.

According to the researchers, the achievement will help establish new ways to transport the increasingly large quantities of data that traverse continents and oceans via global networks of optical fibers. These new methods are needed for the next generation of network technology?which allows transfer rates of 40 and 100 Gbps?that will be built in the next couple of years.

"Our group and its partners are showing how massive amounts of data will be handled and transported in the future," says Harvey Newman, professor of physics and head of the high-energy physics (HEP) team. "Having these tools in our hands allows us to engage in realizable visions others do not have. We can see a clear path to a future others cannot yet imagine with any confidence."

Using a 100-Gbps circuit set up by Canada's Advanced Research and Innovation Network (CANARIE) and BCNET, a non-profit, shared IT services organization, the team was able to reach transfer rates of 98 Gbps between the University of Victoria Computing Centre located in Victoria, British Columbia, and the Washington State Convention Centre in Seattle. With a simultaneous data rate of 88 Gbps in the opposite direction, the team reached a sustained two-way data rate of 186 Gbps between two data centers, breaking the team's previous peak-rate record of 119 Gbps set in 2009.

In addition, partners from the University of Florida, the University of California at San Diego, Vanderbilt University, Brazil (Rio de Janeiro State University and the S?o Paulo State University), and Korea (Kyungpook National University and the Korean Institute for Science and Technology Information) helped with a larger demonstration, transferring massive amounts of data between the Caltech booth at the SC11 conference and other locations within the United States, as well as in Brazil and Korea.

The fast transfer rate is also crucial for dealing with the tremendous amounts of data coming from the Large Hadron Collider (LHC) at CERN, the particle accelerator that physicists hope will help them discover new particles and better understand the nature of matter, and space and time, solving some of the biggest mysteries of the universe. More than 100 petabytes (more than four million Blu-ray disks) of data have been processed, distributed, and analyzed using a global grid of 300 computing and storage facilities located at laboratories and universities around the world, and the data volume is expected to rise a thousand-fold as physicists crank up the collision rates and energies at the LHC.

"Enabling scientists anywhere in the world to work on the LHC data is a key objective, bringing the best minds together to work on the mysteries of the universe," says David Foster, the deputy IT department head at CERN.

"The 100-Gbps demonstration at SC11 is pushing the limits of network technology by showing that it is possible to transfer petascale particle physics data in a matter of hours to anywhere around the world," adds Randall Sobie, a research scientist at the Institute of Particle Physics in Canada and team member.

The key to discovery, the researchers say, is in picking out the rare signals that may indicate new physics discoveries from a sea of potentially overwhelming background noise caused by already understood particle interactions. To do this, individual physicists and small groups located around the world must repeatedly access?and sometimes extract and transport?multiterabyte data sets on demand from petabyte data stores. That's equivalent to grabbing hundreds of Blu-ray movies all at once from a pool of hundreds of thousands. The HEP team hopes that the demonstrations at SC11 will pave the way towards more effective distribution and use for discoveries of the masses of LHC data.

"By sharing our methods and tools with scientists in many fields, we hope that the research community will be well positioned to further enable their discoveries, taking full advantage of 100 Gbps networks as they become available," Newman says. "In particular, we hope that these developments will afford physicists and young students the opportunity to participate directly in the LHC's next round of discoveries as they emerge."

###

California Institute of Technology: http://www.caltech.edu

Thanks to California Institute of Technology for this article.

This press release was posted to serve as a topic for discussion. Please comment below. We try our best to only post press releases that are associated with peer reviewed scientific literature. Critical discussions of the research are appreciated. If you need help finding a link to the original article, please contact us on twitter or via e-mail.

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Source: http://www.labspaces.net/115961/High_energy_physicists_set_record_for_network_data_transfer

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Putin denounces protesters, rejects rerun of vote (AP)

MOSCOW ? Sharp-tongued and defiant, Prime Minister Vladimir Putin denounced those protesting vote fraud as stooges of the West and insisted that Russia's national election was valid. His opponents were undeterred.

In a 4 1/2-hour marathon call-in show on national TV, Putin aimed to erect a bulwark against a rising wave of discontent. But his disdainful tone appeared likely to only fuel more protests, after a fraud-tainted parliamentary vote Dec. 4 sparked the largest public anger Russia has seen in a generation.

In an appearance lasting from high noon to sunset Thursday in Moscow, a vigorous Putin defended the election as reflecting "the real balance of power in the country" and rejected calls for it to be rerun. That effectively dismissed opposition claims that vote fraud had given Putin's United Russia party a majority of the seats in parliament.

The 59-year-old leader acknowledged that the tightly controlled political system he crafted during a dozen years in power "may and should move toward liberalization" and proposed that web cameras be set up in all the country's more than 90,000 polling stations ahead of the March 4 election in which he will seek to return to the presidency.

The opposition was not mollified.

"The boorish, disdainful attitude toward the people that Putin demonstrated in today's television show was obvious," said Boris Nemtsov, a prominent opposition leader, in a blog post after the show.

Last week's protests, which included tens of thousands in central Moscow, indicated that Putin's return to the presidential chair he occupied from 2000 to 2008 will not be as easy as he had been expected only two weeks ago. United Russia lost about 20 percent of its parliament seats, and critics say the slim majority it retained was due only to widespread vote fraud.

Opposition groups plan a series of protests in Moscow and St. Petersburg this weekend, hoping to follow up on last week's dramatic demonstrations in more than 60 cities. Officials have allowed up to 10,000 people at each. Another protest planned for Dec. 24 has an attendance limit of 50,000.

"He is not a bad man, but I wouldn't trust him to be president for another term," Vladimir Gerasimenko, a 56-year-old Muscovite, said as he watched Putin's show in an electronics store.

In a telling display of anger, the number of people who signed up on Facebook to go to the Dec. 24 rally increased from 18,000 to 21,500 just in the hours Putin was speaking.

Putin also faces a new and charismatic challenger ? New Jersey Nets owner Mikhail Prokhorov. Hours before Putin's TV appearance started, the metals and banking billionaire met with supporters.

"I deeply understand the demands and the strivings of the people who took to the streets," Prokhorov told reporters, adding that he may join a follow-up protest later this month.

In a direct challenge to Putin ? although his name was not mentioned ? Prokhorov announced that his first move if elected would be to pardon jailed tycoon Mikhail Khodorkovsky. Once Russia's richest man, Khodorkovsky has been in prison since 2003 on tax evasion and fraud, charges widely seen as punishment for defying Putin's power.

Previous editions of the annual national call-in show have been largely an opportunity for Putin to brag for hours about improvements in the country, but this one was unusually confrontational. Both callers and studio participants repeatedly raised questions about the election, the anti-fraud protests and the repression of opposition groups.

"Putin still doesn't understand what's going on in the country and who are these people coming out into the streets. He is continuing to use demagoguery and cynically denigrate the citizens, their rights and freedom," Mikhail Kasyanov, Putin's former prime minister who has now become a top opposition figure, was quoted as saying by the news agency Interfax.

Challenger Prokhorov also vowed to allow free registration of opposition parties and restore popular elections of provincial governors if he wins the March vote.

Putin has marginalized opposition forces, tightened election rules and abolished direct elections of governors. He has defended those moves as necessary to prevent criminal clans and separatist forces from dominating the gubernatorial elections, but suggested that he may allow their election in the future. He said candidates for governors still should be nominated by the president, but could then be put to a direct popular vote.

In a characteristic nationalist gambit, Putin accused protest organizers of working to destabilize the country on orders from the West, saying "that's a well-organized pattern of destabilizing society."

Putin last week had dismissed criticism of the vote by U.S. Secretary of State Hillary Clinton as part of U.S. efforts to weaken Russia.

"They still fear our nuclear potential," he said Thursday. "We also carry an independent foreign policy, and, of course, it's an impediment for some."

The rift over the elections revealed deep cracks in U.S.-Russian relations despite President Barack Obama's efforts to "reset" ties with Russia. Putin said Moscow would like to develop cooperation with Washington but harshly criticized U.S. foreign policy, accusing it of unilateralism.

"America doesn't need allies, it only needs vassals," Putin said.

Putin alleged the organizers of Saturday's demonstration in Moscow had paid some participants, publicly referring to them as sheep. Unleashing his penchant for earthy remarks, Putin derided the white ribbons that have been adopted as a protest symbol, saying he thought demonstrators had "put some condoms" on their sleeves to promote safe sex.

One of Russia's most-read bloggers, Rustem Adagamov, who took part in Saturday's rally, was disappointed with Putin's dismissal of protesters as paid agents of the West.

"Instead of unifying the nation and looking for opportunities to start a discussion, we still see the same Soviet 'witch hunt', which means searching for enemies who go to protests because they've been paid," he wrote in his blog.

Putin said the results of Russia's parliamentary election properly reflected the people's will, adding that the drop in support for his party was a natural result of the 2008 global financial crisis. He brushed off vote fraud claims as part of the opposition's maneuvering ahead of the presidential election, and said any complaints should go to the courts.

"The opposition goal's is to fight for power and it's looking for every chance to advance," he said.

He promised voters that President Dmitry Medvedev's decision to permanently switch the nation to a summer time can be reviewed. The move left Russians trudging to work in complete darkness in the morning, angering many.

Putin also lashed out at U.S. Sen. John McCain, who had goaded him with a Twitter post saying "the Arab Spring is coming to a neighborhood near you."

"Mr. McCain was captured in Vietnam and they kept him not just in prison, but in a pit for several years," Putin said. "Anyone (in his place) would go nuts."

McCain responded Thursday with another tweet: "Dear Vlad, is it something I said?"

__

Vladimir Isachenkov and Nataliya Vasilyeva in Moscow contributed to this report.

Source: http://us.rd.yahoo.com/dailynews/rss/europe/*http%3A//news.yahoo.com/s/ap/20111215/ap_on_re_eu/eu_russia_putin

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Keyboard Cat: Now in Cute, Musical, Toy Form!


Keyboard Cat, one of the all-time classic Internet memes, amassed over 20 million views on YouTube and inspired countless parodies while getting his "theme song" lodged in fans' brains for weeks at a time. Now he has his own action figure!

Is this a great country/Internet or what?

The announcement was made on Keyboard Cat's Twitter earlier this week. Yes, Keyboard Cat has a Twitter page ... see previous point about America and the Interwebs.

Take a look at the Keyboard Cat stuffed toy and the real-life, Casio-playing feline virtuoso who's always ready to play you off stage if you overstay your welcome ...

Source: http://www.thehollywoodgossip.com/2011/12/keyboard-cat-now-in-cute-musical-action-figure-form/

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Navigating the cloud computing legal minefield | TechRepublic

December 5, 2011, 6:00 AM PST

Takeaway: Tajudeen Abubakr lists the specific questions that you need to have answered by your provider before you commit data to a public cloud service.

Okay, so you?ve finally selected a public cloud service that seems like a good match for your business computing requirement and needs ? taking advantage, perhaps, of agile computing, reduced time-to-market, or even your long awaited escape route from CAPEX to OPEX - reducing your IT overhead costs.

Now, before you sign up, have you taken the time to closely scrutinize your cloud service contract to avoid legal pot holes? Have you negotiated the right information security contract clauses that closely match your business needs?

Below is a brief outline of what you should consider including in a service contract to address legal challenges that are prevalent in public cloud services:

  • Ownership of data
    • Is your digital intellectual property protected wherever it is stored, processed and transmitted on public cloud provider?s service network?
    • Compelled disclosure of data to federal governments and how would you be notified of such disclosures?
  • Data privacy and security
    • What is the minimum set of data security requirement syou expect from a cloud service? E.g. compliance with security standards such as ISO27001, PCI-DSS
    • Will your data breach notification requirements and responsibilities be adequately supported?
  • Physical Location of data
    • The ?physical location? of data raises the question of legal governance over the data
    • If your organization is required to comply with regulations restricting physical storage location of data, such as EU data privacy directives, are there provisions to support this requirement from your service provider?
  • E-Discovery
    • How quickly can the service provider respond to your own e-discovery requests?
  • Governing laws and jurisdictions
    • In situations where a conflict arises between you and the cloud service provider, which country?s court system will settle the dispute?
  • Forensics and criminal investigations
    • Digital forensic and investigation is notoriously difficult to achieve in a dynamic multi-tenancy computing environment such as the public cloud service. Very few service providers have the capability to support collection of legally admissible evidence. If this is important to you, ask questions of your service provider?s provisions.
  • Your responsibility for data security
    • Your own data security responsibility and that of your cloud service provider must be well defined, understood, and communicated to all parties involved.
  • Your right to audit information security practices
    • Do you have a right to commission independent information security audits of cloud providers (including sub contractors)?
    • Would you have access to independent audit reports such as Statement on Accounting Standards (SAS) 70 type II or new Statement on Standards for Attestation Engagements (SSAE) No. 16, (SSAE 16) equivalent? And you must check that the SAS70 report actually meets your own security requirement.
  • Service Level Agreements (SLA) - including penalties / compensation
    • Are the service availability, service quality, and incident response times you really need for your business clearly defined?
    • What exactly does service outage mean for both customer and service provider?
    • Are your SLAs enforceable, stating specific remedies & compensations for service failure?
    • Do you have visibility of sub-contracted services which support services delivered to you?
  • Insurance and liability
    • In the event of a natural disaster, are you are indemnified by the service provider?s insurance company for losses suffered by your business?
    • If a privacy breach occurs due to a fault of cloud service provider, is there any liability coverage policy taken up by the service provider?
    • If the data centre gets hacked, can you make claims against the service provider for damages to your business?
  • Exit terms and conditions of cloud services
    • Data security - How can you gain assurance all your intellectual property (IP) will be returned at termination of contract or when you decide to exit from the cloud service?This can actually help to decide what type of data you should / shouldn?t put in a public cloud and what additional compensating controls will be needed.
    • Would you have support to repatriate your data back in-house?
    • Avoiding vendor lock-in - If moving to another service provider, what support would you have to export your data to another service provider?

I?m certain you can think of other legal and contractual issues which require special attention when using the public cloud.

Now, what does an information security contract clause actually look like?

An example of information security contract clauses is the model contractual clauses developed by the European Council (EC). It governs security of personal data when transferred outside the European Economic Area (EEA). These clauses offer an alternative means of fulfilling adequacy requirements, such as consent by data subjects for compliance with the EU data privacy directive. Businesses can develop similar contract clauses when negotiating contract terms for public cloud services.

The legal minefield of cloud computing is far more complex than the traditional third party hosting service. To protect your business interest, negotiate with your service provider to include information security contract clauses which adequately meet your security needs. Lastly, cloud customers are strongly advised to seek legal counsel from specialists in this area to avoid major surprises.

Source: http://www.techrepublic.com/blog/datacenter/navigating-the-cloud-computing-legal-minefield/5142

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Video: Should Romney attack Gingrich more?

Think you're too old to travel? Think again

Some companies are beginning to offer travel companion services for seniors, modeled after programs airlines currently have in place for unaccompanied minors, to help grandma or grandpa safely get where they are going and back home again.

Source: http://www.msnbc.msn.com/id/3036697/vp/45574437#45574437

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Allies urge Romney to get tough as Gingrich rises (AP)

WASHINGTON ? Mitt Romney's above-the-fray campaign style kept him atop the Republican presidential field for months, but it's raising concerns among his supporters now that Newt Gingrich has surged to challenge him.

Some Romney backers say their candidate must mix it up more aggressively, with Gingrich and with reporters, to prove he has the moxie to be the GOP challenger to President Barack Obama. Romney, the former Massachusetts governor, particularly caused concerns with his prickly responses in a recent Fox News interview. He needs to show more toughness and willingness to field questions, party insiders say.

The message seemed to resonate with his campaign Tuesday. Romney said he will appear on Fox News Sunday on Dec. 18, his first national Sunday talk show in nearly two years. He also fielded questions from reporters covering his Arizona visit, marking his third such "press availability" in four days.

The moves make sense to Rich Galen, a GOP strategist and former Gingrich aide who is neutral in the current race. "The lack of engagement strategy has served Romney pretty well," Galen said. "Now I think they've got to alter course and get him out there more."

Numerous Romney supporters had expressed concern over reports of him dodging reporters and in-depth questioning.

"It remains a mystery why Mitt Romney has done relatively few interviews," Jennifer Rubin, a conservative blogger for The Washington Post who often praises Romney, wrote on Monday. The much-discussed Nov. 29 Fox interview, she said, might have gone better "had it been one of dozens of TV interviews he'd given during the campaign. ... He's been the least interviewed candidate in the race."

In his 15-minute exchange with Fox News' Brett Baier, Romney bristled at questions about his changed views on abortion, climate change, immigration and gay rights, all of which are widely discussed in political circles.

Romney acknowledged rejecting his pro-abortion-rights stand of the 1990s, although he did not explain why. Otherwise, he told Baier, "Your list is just not accurate." Romney suggested the questions were inspired by "Democratic ads" that label him a serial flip-flopper.

Asked about his Massachusetts health initiative, which required residents to obtain medical insurance, Romney said he had answered the question "many hundred times." He added: "This is an unusual interview."

The questions were typical of those that many mainstream news organizations would ask, with no surprises or oddball queries. Except for Fox, which has several conservative hosts and is a favorite stop for GOP candidates, Romney rarely gives extended interviews to TV networks or national newspapers and news magazines. That seems unlikely to change soon.

"I'll be on Fox a lot, because you guys matter when it comes to Republican primary voters," Romney told Fox News' Neil Cavuto on Tuesday.

Campaigning last Saturday in Manchester, N.H., Romney was surrounded by cheering fans as he took a few questions from reporters in the morning. Shortly after noon, on a quiet residential street, he fielded a few more. However, the day's only one-on-one interviews, which give reporters a chance to ask follow-up questions, were with Fox News and a TV station from Derry, N.H.

On Tuesday, Romney hinted he might slowly ramp up his criticism of Gingrich.

"I will not be quiet," he told Cavuto. "Speaker Gingrich is a friend, respected. But we have very different life experiences."

Romney said Gingrich has spent the past 40 years or so in Washington, "working as an insider." Romney, whose only elected experience is four years as Massachusetts governor, says he would bring a more business-oriented, outside perspective.

Some party veterans urge Romney to be cautious. Bitter quarrels between politicians are "what people are sick and tired of," said Rep. Steve LaTourette, R-Ohio. "It would be disappointing if he all the sudden lit in to Gingrich, and if Gingrich lit into Romney."

LaTourette said he is backing Romney, partly because he has a "hangover" from Gingrich's tumultuous days as House speaker in the mid-1990s. "Everything always seemed to be on fire," he said.

Republican consultant Terry Holt also urged Romney to proceed carefully.

"It's important to protect your candidate's reputation and image," he said. Romney has a statesmanlike image, Holt said, and "I'd be very hesitant to sacrifice that with so much time on the clock."

As for interview programs in general, even some Democrats sympathize with Romney's reluctance.

"It's a half hour or 15 minutes of gotcha questions," said Chris Lehane, who helped Al Gore deal with the media in the 2000 presidential campaign. But that doesn't mean a serious candidate can skip such shows, or comparable interviews with major newspapers or magazines, Lehane said.

"You have to find a happy balance," he said, between protecting the candidate from gaffes and convincing voters that the contender is smart, prepared and capable.

If a candidate skips tough questions or handles them badly, Lehane said, voters will ask, "How are you going to deal with some significant crisis? These are fairly easy things compared to what you'll face as president."

Veteran GOP strategist and lobbyist Charlie Black said, "Everybody has a bad interview now and then." All in all, Black said, Romney's team has done a good job of limiting his exposure to national interviews, which sometimes do more harm than good, while focusing on local media in key states.

Democrats happily distribute anecdotes of Romney evading journalists. They include a New York Times account of Romney being the only candidate expressing alarm at a reporter's presence backstage at last Saturday's GOP forum in New York.

Romney spokeswoman Andrea Saul said her candidate "has done thousands of interviews over the course of his career, and he'll do a lot more." He exposes himself to questions in town hall settings, televised debates and numerous videotaped interviews with newspaper editorial boards, Saul said.

___

Associated Press writers Laurie Kellman in Washington and Beth Fouhy in New York contributed to this report.

Source: http://us.rd.yahoo.com/dailynews/rss/topstories/*http%3A//news.yahoo.com/s/ap/20111207/ap_on_el_ge/us_romney

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Newt Gingrich's Rise Continues, Ron Paul Second, Romney Third In Iowa: Des Moines Register Poll

WASHINGTON -- Eighteen years after he led Republicans to an unexpected takeover of the House of Representatives, Newt Gingrich looks increasingly poised to engineer yet another improbable election win.

The former House Speaker, whose presidential campaign was left for dead a few months ago amidst heavy debt and a staff exodus, sits atop the new Des Moines Register poll, at 25 percent. In the last Register poll -- released in late October -- he was at seven percent.

The poll was conducted Nov. 27-30 among 401 likely Republican caucus-goers, and has a margin of error of 4.9 percentage points.

Gingrich is trailed by Rep. Ron Paul at 18 percent and former Massachusetts Gov. Mitt Romney, with 16 percent. Businessman Herman Cain, who earlier in the day announced that he was suspending his beleaguered presidential campaign in response to allegations of an extramarital affair and past charges of sexual harassment, was favored by eight percent of voters, down from 22 percent in the Register's last survey.

In line with other recent surveys, the new poll shows that Cain was fading fast in Iowa as well as nationally before suspending his campaign.

The decline is likely music to Gingrich's ears. Several recent national polls have shown Gingrich potentially gaining the most ground among Cain supporters in the event the former Godfather's Pizza CEO dropped out of the race. According to the Register: "More respondents choose Gingrich as their second choice than any other candidate. Together, 43 percent of likely caucusgoers pick him as first or second."

With just weeks until Iowans gather to vote, the race for the Hawkeye State has boiled down to three candidates, none of whom, really, have devoted much time or energy to the primary battleground.

Paul maintains a devoted following, but has been primarily a national candidate rather than running an Iowa-centric campaign. Romney has campaigned tepidly in Iowa -- wary of being dealt a setback like the one he suffered when he finished second there in 2008. In the Register poll released in late October, he stood at 22 percent. On Saturday, however, Romney received the backing of the Sioux City Journal, a fairly powerful editorial board inside the state. That endorsement came after the field period for the new survey had ended.

Gingrich, meanwhile, just recently opened his first office in the Hawkeye State -- his campaign debt having eliminated any chance for an earlier investment. And yet, Saturday night's poll is only one of several recent surveys to show him on the rise.

The candidates who have spent the most time in Iowa, ironically, have remained stagnant in the polls. Rep. Michele Bachmann (R-Minn.) earned eight percent support in Saturday night's Register poll; former Sen. Rick Santorum received the backing of six percent; while Texas Gov. Rick Perry clocks in at six percent.

The Des Moines Register's Iowa survey is the nation's longest continuously running newspaper poll, beginning in the 1980s. As the Huffington Post's Mark Blumenthal noted in late October:

The Register and its current pollster Ann Selzer gained further acclaim four years ago when their final pre-caucus survey was the only public poll to show Barack Obama with a wide lead over Hillary Clinton and John Edwards. It was also the only poll to accurately forecast the "dramatic influx" of first-time caucus-goers that helped propel Obama to his eventual Iowa victory.

Because of the very low turnout of eligible adults to the Iowa Caucuses, however, all past polling of likely caucus-goers has been notoriously volatile. Although the Register poll accurately forecast Obama's win four years ago, its October poll conducted just three months earlier showed Obama running in third place, seven percentage points behind Clinton. Thus, with more than 10 weeks still remaining before the 2012 caucus, caution is in order.


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Source: http://www.huffingtonpost.com/2011/12/03/newt-gingrich-ron-paul_n_1127371.html

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Julianne Hough's Retro Hair and Makeup: Love It or Hate It? (omg!)

Julianne Hough's Retro Hair and Makeup: Love It or Hate It?

Back in October Julianne Hough chopped off her blonde hair, going for a sophisticated long bob.

PHOTOS: See Julianne's red carpet evolution

And after wearing her shoulder-skimming 'do in both wavy and pin-straight styles, the Footloose star, 23, is trying out yet another look.

PHOTOS: More long-haired celebs who went short

She showed up at an event for The Trevor Project rocking retro curls paired with classic red lips and a ladylike white cocktail dress.

When it comes to past hair changes, Hough has tried out several different colors, but admits that maintaining her golden hue (like the brown shade she had when she played brunette Ariel Moore in the 1984 classic film remake) gets pretty pricey.

PHOTOS: Celeb-inspired holiday hair looks

"It costs a lot of money to get your hair done -- it's not cheap -- but you don't want to ruin it, and you want you go to the best person and the person who's going to keep it healthy," Hough told Us Weekly.

Get more Us! Follow us on Twitter, Friend us on Facebook, Subscribe to Us Weekly

Source: http://us.rd.yahoo.com/dailynews/rss/entertainment/*http%3A//us.rd.yahoo.com/dailynews/external/omg_rss/rss_omg_en/news_julianne_houghs_retro_hair_makeup_love_hate221250903/43813753/*http%3A//omg.yahoo.com/news/julianne-houghs-retro-hair-makeup-love-hate-221250903.html

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