U.S. Secretary of State John Kerry arrives in Baghdad, Iraq, Sept. 10, 2014.

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U.S. Secretary of State John Kerry speaks during a press conference at the U.S. Embassy in Baghdad, Iraq, Sept. 10, 2014.

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U.S. Secretary of State John Kerry, right, is greeted by members of Iraq's parliament and other leaders before a meeting with the Speaker of the Iraqi Parliament Salim al-Jabouri, far right, in Baghdad, Iraq, Sept. 10, 2014.

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U.S. Secretary of State John Kerry, left, and new Iraqi Prime Minister Haider al-Abadi shake hands after a meeting in Baghdad Sept. 10, 2014.

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U.S. Secretary of State John Kerry arrives in Baghdad, Iraq, Sept. 10, 2014.