President Barack Obama acknowledges the crowd as he arrives to speaks to CIA employees at the CIA Headquarters, Friday, May 20, 2011 in Langley, Va. Obama congratulated the country's intelligence ... more 
President Barack Obama acknowledges the crowd as he arrives to speaks to CIA employees at the CIA Headquarters, Friday, May 20, 2011 in Langley, Va. Obama congratulated the country's intelligence workers for the years of effort that led to the discovery and killing of terrorist Osama bin Laden. He thanked them for their daily work in protecting America, saying he'd never felt prouder or more confident about them. And he said they're proof that when Americans put their mind to something, "there is nothing we cannot do." less 
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Associated Press | Photo By Carolyn Kaster
Fri, May 20, 2011 4:16 PM EDT