Hillary Rodham Clinton

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**FILE** U.S. Secretary of State Hillary Rodham Clinton meets Feb. 23, 2012, with Ethiopia's Prime Minister Meles Zenawi at the London Conference on Somalia. (Associated Press)

** FILE ** In this July 6, 2012, file photo, U.S. Secretary of State Hillary Rodham Clinton and French Foreign Minister Laurent Fabius attend the "Friends of Syria" conference in Paris. The United States is readying new sanctions on Syrian President Bashar Assad's regime and its allies as Clinton heads to Turkey on Friday, Aug. 10, 2012, for weekend talks with top Turkish officials and Syrian opposition activists. (AP Photo/Brendan Smialowski, Pool, File)

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U.S. Secretary of State Hillary Rodham Clinton (left) meets Aug. 9, 2012, with Ghana's President John Dramani Mahama at his residence in Accra, Ghana. (Associated Press)

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Wearing a pin in the shape of Africa, Secretary of State Hillary Rodham Clinton finishes her speech about the U.S.-South Africa partnership on Wednesday, Aug. 8, 2012, at the University of the Western Cape in Cape Town, South Africa. (AP Photo/Jacquelyn Martin, Pool)

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Secretary of State Hillary Rodham Clinton meets with former South African President Nelson Mandela at his home in Qunu, South Africa, on Monday. Mrs. Clinton is slated to meet with the nation’s current leaders in Pretoria on Tuesday. (Associated Press)