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Photo by: Ng Han Guan

** FILE ** This Nov. 11, 2009, file photo shows then-Secretary of State Hillary Rodham Clinton walking with a then-Deputy Chief of Staff Jake Sullivan in Singapore. Last summer, Sullivan was traveling with his boss, Hillary Rodham Clinton, when he suddenly disappeared during a stop in Paris. He showed up again a few days later, rejoining Clinton's traveling contingent in Mongolia. (AP Photo/Ng Han Guan, File)

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