Chief of Staff Rahm Emmanuel makes a funny gesture ahead of the inauguration of Barack Obama as the 44th President of the United States of America on the West Front of the Capitol January 20, 2009.

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Presidential hopeful Al Gore, right, smiles closely with his running mate Joseph Lieberman at a rally August 9, 2000, in Lieberman's hometown of Stamford, Ct.

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Republican presidential candidate, former Speaker of the House Newt Gingrich laughs as he participates in a debate sponsored by CNN and the Republican Party of Arizona at the Mesa Arts Center February 22, 2012 in Mesa.

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Democratic presidential hopefuls former U.S. Senator John Edwards (L) (D-NC) and Sen. Barack Obama (D-IL) point to supporters and family members in the audience after a televised debate at Saint Anselm College January 5, 2008.

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Republican presidential hopeful Gov. George W. Bush jokes around with two unidentified technicians in the TV studio just prior to the GOP debate Thursday, Jan. 6, 2000.

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U.S. Sen. Max Baucus (D-MT) reacts during a rally to support the enactment of the Medicare bill July 15, 2008 on Capitol Hill in Washington, DC.

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Former New York City Mayor Rudy Giuliani laughs on day three of the Republican National Convention (RNC) at the Xcel Energy Center on September 3, 2008.

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Callista Gingrich, wife of Republican presidential candidate and former Speaker of the House Newt Gingrich, prepares to read a children's book to young patients on January 20, 2012 in Charleston, South Carolina.

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Democratic presidential candidate U.S. Senator John Kerry (D-MA) (L) goes eye to eye with show host Jon Stewart during a visit to the 'The Daily Show with Jon Stewart' August 24, 2004 in New York City.

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U.S. President George W. Bush (L) pauses to embrace a person dressed as the Easter Bunny during the annual Easter Egg Roll on the South Lawn of the White House March 24, 2008 in Washington, DC.

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