** FILE ** Iranian President Mahmoud Ahmadinejad flashes the victory sign as he attends the 12th summit of the Organization of Islamic Cooperation in Cairo on Wednesday, Feb. 6, 2013. (AP Photo/Amr Nabil)
** FILE ** Ali Asghar Soltanieh, Iran's ambassador to the International Atomic Energy Agency (IAEA), waves on Sept. 10, 2012, as he arrives for a meeting of the IAEA board of governors at the International Center in Vienna, Austria. (Associated Press)
** FILE ** Iranian President Mahmoud Ahmadinejad (center) listens to a technician during his visit to the Natanz Uranium Enrichment Facility some 200 miles south of the capital, Tehran, in April 2008. (AP Photo/Iranian President's Office)
** FILE ** Iranian President Mahmoud Ahmadinejad flashes the victory sign as he attends the 12th summit of the Organization of Islamic Cooperation in Cairo on Wednesday, Feb. 6, 2013. (AP Photo/Amr Nabil)
** FILE ** Iranian President Mahmoud Ahmadinejad flashes the victory sign as he attends the 12th summit of the Organization of Islamic Cooperation in Cairo on Wednesday, Feb. 6, 2013. (AP Photo/Amr Nabil)
** FILE ** In this Monday, April, 9, 2007, file photo Iranian President Mahmoud Ahmadinejad, speaks at a ceremony in Iran's nuclear enrichment facility in Natanz, 300 Kilometers (186 miles) south of capital Tehran, Iran. (AP Photo/Hasan Sarbakhshian, File)
** FILE ** In this Wednesday Feb. 15, 2012, file photo, released by the Iranian President's Office, claims to show Iranian President Mahmoud Ahmadinejad, second left being escorted by technicians during a tour of Tehran's research reactor center in northern Tehran, Iran. (AP Photo/Iranian President's Office, File)
** FILE ** Iranian President Mahmoud Ahmadinejad flashes the victory sign as he attends the 12th summit of the Organization of Islamic Cooperation in Cairo on Wednesday, Feb. 6, 2013. (AP Photo/Amr Nabil)
Ayatollah Ali Khamenei, Iran's supreme leader, gives a speech in a mosque inside the leader's housing compound in Tehran on Saturday, Feb. 16, 2013. (AP Photo/Office of the Supreme Leader)
