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US re-elects Barack Obama as president

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U.S. President Barack Obama appears on stage after being re-elected at McCormick Place in Chicago, Nov. 6, 2012.

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Presidential candidate Mitt Romney speaks on election night in Boston, Mass., Nov. 6. Romney conceded the election to President Barack Obama.

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A couple reacts to President Barack Obama being re-elected at The Village Pour House in New York City, Nov. 6.

Tom Olmscheid / AP

Jon Angell, dressed as Captain America, salutes as Republican presidential candidate Mitt Romney concedes to re-elected U.S. President Barack Obama at the Minnesota Republican election headquarters in Bloomington, Minn., Nov. 6.

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People celebrate with a cardboard cutout of the President Barack Obama in front of the White House in Washington D.C., Nov. 7.

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Spectators react to President Obama's projected re-election displayed on large televisions, during Mitt Romney's campaign election night event in Boston, Mass., Nov. 6.

Kevin Lamarque / Reuters

Campaigning with Mitt Romney and Barack Obama, voting and election results.

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