The head of the U.N.'s nuclear watchdog confirmed Sunday that a senior agency official will visit Iran again. Mohamed ElBaradei, chief of the International Atomic Energy Agency, said IAEA Deputy Director General Olli Heinonen will travel to the Middle Eastern country. «Yes, he is going,» ElBaradei said when asked by The Associated Press to confirm an Iranian news report. He declined to provide more details as he entered a Vienna hotel.