Iran's Minister of Petroleum Rostam Ghasemi, right, and Iran's Ambassador to the International Atomic Energy Agency, IAEA, Ali Asghar Soltanieh talk to journalists as they arrive at a h

 

              Iran
Iran's Minister of Petroleum Rostam Ghasemi, right, and Iran's Ambassador to the International Atomic Energy Agency, IAEA, Ali Asghar Soltanieh talk to journalists as they arrive at a hotel for the Organization of the Petroleum Exporting Countries, OPEC, conference in Vienna, Austria, Thursday, May 30, 2012. Once the symbol of oil dominance, OPEC faces new challenges as its members gather for a ministerial meeting on how much crude to pump. For the 12 oil ministers from countries ranging from Venezuela to Nigeria and Iran, the formal focus of Friday's get-together is to determine production levels. (AP Photo/Hans Punz)