John Kerry, on his first trip abroad as secretary of state, walks with French President Francois Hollande after their meeting at Elysee Palace in Paris on Feb. 27. Kerry's nine-day trip took him through Europe and the Middle East. Jacquelyn Martin/AP hide caption

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Secretary of State John Kerry (center, right) meets with members of Egyptian political parties in Cairo on Saturday. Khaled ElFiqi/AFP/Getty Images hide caption

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U.S. Secretary of State John Kerry speaks to the press prior to talks with Japanese Foreign Minister Fumio Kishida at the State Department in Washington on Friday. Nicholas Kamm /AFP/Getty Images hide caption

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Hillary Clinton, shown here boarding a plane in Prague earlier this month, is preparing to step aside soon as secretary of state. She hasn't said what she plans to do next. Kevin Lamarque/AP hide caption

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U.S. Sen. John Kerry (left), who was nominated Friday to be secretary of state, is shown shaking hands with Pakistani Prime Minister Yousuf Raza Gilani during a trip to Pakistan last year. Aamir Qureshi/AFP/Getty Images hide caption

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U.S. Secretary of State Hillary Clinton delivers a speech at Dublin City University in Ireland on Thursday. She also met with Russian Foreign Minister Sergei Lavrov to discuss Syria. Kevin Lamarque/AFP/Getty Images hide caption

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Susan Rice, the U.S. ambassador to the United Nations, speaks to the media at U.N. headquarters in April. Seth Wenig/AP hide caption

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A newspaper with a front-page photo of President Obama is displayed at a press house in downtown Yangon, Myanmar, on Thursday, ahead of Obama's visit. Soe Than Win/AFP/Getty Images hide caption

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Susan Rice, the U.S. ambassador to the United Nations, is considered a leading candidate to become the next secretary of state. Leading Senate Republicans say they would seek to block her if she's nominated. Mario Tama/Getty Images hide caption

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Burmese opposition politician Aung San Suu Kyi is presented with a U.S. Congressional Gold Medal at a ceremony at the rotunda of the U.S. Capitol on Wednesday in Washington, D.C. Alex Wong/Getty Images hide caption

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Egyptians destroy an American flag pulled down from the U.S. Embassy in Cairo, Sept. 11, during a protest over the film that insulted the Prophet Muhammad. Mohamed Abd El Ghany/Reuters/Landov hide caption

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President Obama talks with Israeli Prime Minister Benjamin Netanyahu at the White House in March. Netanyahu and the Obama administration clashed openly this week over the issue of Iran's nuclear program. Amos Ben Gershom/GPO via Getty Images hide caption

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Secretary of State Hillary Rodham Clinton speaks at the State Department in Washington Wednesday, Sept. 12 on the recent deaths of Americans in Libya. Alex Brandon/AP hide caption

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For more than three decades, presidential candidates have talked tough about China during the campaign season, but opted for more moderate policies as president. Republican nominee Mitt Romney, shown speaking in Colorado in July, accuses China of manipulating its currency in order to export its goods cheaply to the US. Nicholas Kamm/AFP/Getty Images hide caption

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