** FILE ** In front of a portrait of the late Iranian revolutionary founder Ayatollah Khomeini, presidential candidate Hasan Rowhani, a former top nuclear negotiator, center, gestures to his supporters at a rally in Tehran, Iran, Saturday, June 1, 2013.
Iranian presidential candidate Hasan Rowhani, a former Iran's top nuclear negotiator, casts his ballot during presidential elections at a polling station in downtown Tehran, Iran, Friday, June 14, 2013. (AP Photo/Vahid Salemi)
Iranian presidential candidate Hasan Rowhani, a former Iran's top nuclear negotiator, casts his ballot during presidential elections at a polling station in downtown Tehran, Iran, Friday, June 14, 2013. (AP Photo/Vahid Salemi)
Men wait in line at a polling station to vote during presidential elections in Qom, 125 kilometers (78 miles) south of the capital Tehran, Iran, Friday, June 14, 2013. (AP Photo/Ebrahim Noroozi)
** FILE ** This Wednesday, Aug. 19, 2009, file photo shows Syrian President Bashar Assad, seen, during a meeting with his Iranian counterpart Mahmoud Ahmadinejad, unseen, at the presidency in Tehran, Iran. (AP Photo/Vahid Salemi, File)
Iranian and Syrian students chant slogans during an anti-Israeli demonstration in front of the U.N. office in Tehran, Iran, Monday, May 6, 2013. (AP Photo/Ebrahim Noroozi)