National Counterterrorism Center Director Matthew Olsen testifies on Capitol Hill in Washington, Tuesday, Sept. 13, 2011, before the Senate Homeland Security and Governmental Affairs Committee hearing... more 
National Counterterrorism Center Director Matthew Olsen testifies on Capitol Hill in Washington, Tuesday, Sept. 13, 2011, before the Senate Homeland Security and Governmental Affairs Committee hearing on the terror threat to the US. (AP Photo/Evan Vucci) less 
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Associated Press | Photo By Evan Vucci
Tue, Sep 13, 2011 2:36 PM EDT