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Iran's Revolutionary Guards chief General Mohammad Ali Jafari attends the weekly Friday prayers on July 17, 2015, at the University of Tehran. AFP PHOTO / ATTA KENARE (Photo credit should read ATTA KENARE/AFP/Getty Images)

Iran's Revolutionary Guards chief General Mohammad Ali Jafari attends the weekly Friday prayers on July 17, 2015, at the University of Tehran. AFP PHOTO / ATTA KENARE        (Photo credit should read ATTA KENARE/AFP/Getty Images)