Palestinian leader Mahmoud Abbas speaks to press in the Hofburg palace in Vienna, Austria, Tuesday, April 30, 2013. (AP Photo/Ronald Zak)
Palestinian leader Mahmoud Abbas speaks to press in the Hofburg palace in Vienna, Austria, Tuesday, April 30, 2013. (AP Photo/Ronald Zak)
The Director General of the International Atomic Energy Agency, IAEA, Yukiya Amano of Japan addresses the media during a news conference after a meeting of the IAEA board of governors at the International Center in Vienna Austria, Monday, March 4, 2013. (AP Photo/Ronald Zak)
The Director General of the International Atomic Energy Agency, IAEA, Yukiya Amano of Japan addresses the media during a news conference after a meeting of the IAEA board of governors at the International Center in Vienna Austria, Monday, March 4, 2013. (AP Photo/Ronald Zak)
Iranian Minister of Petroleum Rostam Ghasemi speaks to journalists before the start of the meeting of the Organization of the Petroleum Exporting Countries (OPEC) at its headquarters in Vienna, Austria, on Wednesday, Dec. 12, 2012. (AP Photo/Ronald Zak)
Iranian Minister of Petroleum Rostam Ghasemi speaks to journalists before the start of the meeting of the Organization of the Petroleum Exporting Countries (OPEC) at its headquarters in Vienna, Austria, on Wednesday, Dec. 12, 2012. (AP Photo/Ronald Zak)
Director General of the International Atomic Energy Agency, IAEA, Yukiya Amano of Japan addresses the media during a news conference after a meeting of the IAEA board of governors at the International Center, in Vienna, Austria, Monday, Sept. 10, 2012. (AP Photo/Ronald Zak)
Director General of the International Atomic Energy Agency, IAEA, Yukiya Amano of Japan addresses the media during a news conference after a meeting of the IAEA board of governors at the International Center, in Vienna, Austria, Monday, Sept. 10, 2012. (AP Photo/Ronald Zak)
Kuwaiti Oil Minister Hani Abdulaziz Hussain speaks to journalists before the start of the meeting of the Organization of the Petroleum Exporting Countries at their headquarters in Vienna, Austria, on Thursday, June 14, 2012. (AP Photo/Ronald Zak)
