Secretary of State Hillary Rodham Clinton during her address to the U.N. Security Council this afternoon. Mario Tama/Getty Images hide caption

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Secretary of State Hillary Rodham Clinton and pro-democracy leader Aung San Suu Kyi at the U.S. Chief of Mission Residence in Rangoon, Myanmar, earlier today (Dec. 1, 2011). Saul Loeb/Pool/AP hide caption

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Secretary of State Hillary Rodham Clinton and Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, were in Islamabad today (May 27, 2011). Aamir Qureshi /AFP/Getty Images hide caption

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Secretary of State Hillary Rodham Clinton, Monday (Feb. 14, 2011) on Capitol Hill. Jim Watson /AFP/Getty Images hide caption

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