International Atomic Energy Agency (IAEA) chief Yukiya Amano (left) talks with reporters during a news briefing at the conclusion of his meeting with Iran's top nuclear negotiator, Saeed Jalili (right), in Tehran on Monday, May 21, 2012. (AP Photo/IRNA, Adel Pazzyar)

Photo by: Adel Pazzyar

International Atomic Energy Agency (IAEA) chief Yukiya Amano (left) talks with reporters during a news briefing at the conclusion of his meeting with Iran's top nuclear negotiator, Saeed Jalili (right), in Tehran on Monday, May 21, 2012. (AP Photo/IRNA, Adel Pazzyar)