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Kofi Annan, former U.N. secretary general, right, reads a statement at the conclusion of his meeting with Iran's Foreign Minister Mohammad Javad Zarif in Tehran, Iran, Monday, Jan. 27, 2014, as Martti Ahtisaari, pormer president of Finland, left, listens. The former head of the United Nations urged Iran Monday to build on a historic deal reached with world powers in November and work toward a final settlement over its contested nuclear program. Annan, who is heading a group of ex-world leaders known as "The Elders," made the comments after a meeting with Iran's Foreign Minister Mohammad Javad Zarif Monday. (AP Photo/Ebrahim Noroozi)

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