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Associated Press
In this March 26, 2015, photo, Iranian Foreign Minister Mohammad Javad Zarif, center, leaves a meeting with U.S. Secretary of State John Kerry and other U.S. officials at a hotel in Lausanne, Switzerland. U.S. and Iranian diplomats gather at a Baroque palace in Europe, a historic nuclear agreement within reach. Over Iraq’s deserts, their militaries fight a common foe. Leaders in Washington and Tehran, capitals once a million miles from each other in ideological terms, wrestle for the first time in decades with the notion of a rapprochement.  (AP Photo/Brendan Smialowski, Pool)

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