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U.S President Barack Obama takes the oath of office from U.S. Supreme Court Chief Justice John Roberts as first lady Michelle Obama holds the bible and daughters Malia (3rd-L) and Sasha look on in the Blue Room of the White House in Washington, January 20, 2013. (Credit: Reuters/Larry Downing)

U.S President Barack Obama takes the oath of office from U.S. Supreme Court Chief Justice John Roberts as first lady Michelle Obama holds the bible and daughters Malia (3rd-L) and Sasha look on in the Blue Room of the White House in Washington, January 20, 2013. (Credit: Reuters/Larry Downing)