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Photo by: Susan Walsh

Director of National Intelligence James Clapper listens at right as National Security Agency Director Gen. Keith Alexander, testifies on Capitol Hill in Washington, Tuesday, Oct. 29, 2013, before the House Intelligence Committee hearing on potential changes to the Foreign Intelligence Surveillance Act (FISA). Faced with anger over revelations about U.S. spying at home and abroad, members of Congress suggested Tuesday that programs the Obama administration says are needed to combat terrorism may have gone too far. (AP Photo/Susan Walsh) (AP Photo/Susan Walsh)

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