WASHINGTON, DC - FEBRUARY 21: (L-R) Colin Kahl, Robert Kelley, Hans Blix and Trita Parsi, sponsored by The National Iranian American Council participate is standing room only panel discussion about Iran's nuclear program in the Rayburn House Office Building on Capitol Hill February 21, 2012 in Washington, DC. Weapons of Mass Destruction Commission Chairman and former general director of the United Nations International Atomic Energy Agency, Blix was very critical of the United States and the United Kingdom in 2003, saying they overstated the threat of weapons of mass destruction in Iraq. (Photo by Chip Somodevilla/Getty Images)
