Friday was Hillary Clinton's last day in her position as U.S. Secretary of State.
Hillary Clinton's tenure as Secretary of State
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Secretary Clinton at a news conference at the Great Hall of the People in Beijing September 5, 2012.
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Actress Meryl Streep uses her iPhone to get a photo of her and Clinton following the State Department Dinner for the Kennedy Center Honors gala December 1, 2012 at the State Department in Washington.
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Clinton holds up a football helmet with the State Department logo on it, presented by Deputy Secretary Thomas Nide, who joked that "Washington is a contact sport," January 7, 2013.
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Outgoing Secretary of State Hillary Clinton testifies on Capitol Hill, January 23, 2013, before the Senate Foreign Relations Committee hearing on the deadly September attack on the U.S. diplomatic mission in Benghazi, Libya.