FILE - In this May 14, 2012 file photo Iran's Ambassador to the International Atomic Energy Agency, IAEA, Ali Asghar Soltanieh waves as he arrives for talks with the International Atomic Energy Agency, IAEA, at the permanent mission of Iran in Vienna, Austria. The U.N. nuclear agency is forming a special Iran team, drawing together sleuths in weapons technology, intelligence analysis, radiation and other fields of expertise as it seeks to add teeth to a long-stalled probe of suspicions that Tehran worked secretly on atomic arms, diplomats tell The Associated Press in a series of interviews reaching into Thursday, Aug. 23, 2012. (AP Photo/Ronald Zak, File)