Peter Bergen, author of several books on Osama bin Laden, right, accompanied by Frances Townsend, counterterrorism adviser to President George W. Bush, testifies on Capitol Hill in Washington, ... more 
Peter Bergen, author of several books on Osama bin Laden, right, accompanied by Frances Townsend, counterterrorism adviser to President George W. Bush, testifies on Capitol Hill in Washington, Wednesday, May 25, 2011, before the House Homeland Security Committee hearing to examine the threat implications of the killing of Osama Bin Laden. less 
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Associated Press | Photo By J. Scott Applewhite
Wed, May 25, 2011 2:53 PM EDT