President Obama, with Facebook CEO Mark Zuckerberg, speaks during a town hall meeting April 20 at Facebook headquarters in Palo Alto, Calif. Mandel Ngan/AFP/Getty Images hide caption

itoggle caption Mandel Ngan/AFP/Getty Images

President Dwight Eisenhower touches the head of Dzimbo, a 440-pound elephant, on Oct. 12, 1959. The French Community of African Republics sent Dzimbo to Washington as a gift for the president. Byron Rollins/AP hide caption

itoggle caption Byron Rollins/AP

President Obama talks on the phone with Missouri Gov. Jay Nixon, during his visit to Dublin on Monday. Pete Souza/Official White House Photo hide caption

itoggle caption Pete Souza/Official White House Photo

President Obama arrives to speak at the American Israel Public Affairs Committee convention in Washington, D.C., on Sunday. Obama tried to defuse the controversy that erupted last week when he argued that Palestinian-Israeli peace talks should begin with Israel's 1967 borders, with mutually agreed upon land swaps. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

Rep. Michele Bachmann (R-MN), holding a stack of petitions, addresses a "Code Red" rally on Capitol Hill in March 2010, sponsored by The American Grassroots Coalition and the Tea Party Express. The rally was in opposition to the health care overhaul bill. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images

In an earlier wreathlaying, New York City firefighters mark the fourth anniversary of the Sept. 11 attacks. Thursday, President Obama will place a tribute at the site. Henny Ray Abrams/AP hide caption

itoggle caption Henny Ray Abrams/AP

The Obama administration's new advertising guidelines could make Tony the Tiger and Toucan Sam endangered species. hide caption

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President Obama shakes hands with supporters after speaking at a DNC fundraiser at Nob Hill Masonic Center in San Francisco, Calif., on April 20. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP

The Obama administration often uses social media like Twitter Facebook to announce public statements on subjects ranging from the federal budget to grocery lists. via Facebook hide caption

itoggle caption via Facebook

Jeremy Bernard has been tapped as the new White House social secretary. A former boss describes Bernard as someone who always "liked people, liked to network." That's a skill he'll need in a job that will require him to throw hundreds of White House events a year. Photo courtesy of Michael Schwartz /Politico hide caption

itoggle caption Photo courtesy of Michael Schwartz /Politico

In his first and only televised comments thus far on the Libya crisis, President Obama stopped short of calling for leader Moammar Gadhafi to leave. That's a stark contrast to Obama's response to the crisis in Egypt. Just one week after protests began in that country, Obama called for the Egyptian government to begin an immediate transition of power. Jim Watson/AFP/Getty Images hide caption

itoggle caption Jim Watson/AFP/Getty Images

President Obama greets supporters after giving closing remarks Tuesday at a small business forum at Cleveland State University. Obama has only weighed in once on the union protests in Indiana, Ohio and Wisconsin. Tony Dejak/AP hide caption

itoggle caption Tony Dejak/AP

Students cheer as President Obama delivers a speech at the University of Indonesia in Jakarta in November. Jim Watson/AFP/Getty Images hide caption

itoggle caption Jim Watson/AFP/Getty Images