Director of National Intelligence James Clapper pauses while testifying 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/ Evan Vucci)

Photo by: Evan Vucci

Director of National Intelligence James Clapper pauses while testifying 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/ Evan Vucci)