Senate Appropriations Committee member Sen. Jeff Merkley, D-Ore. questions Gen. Keith B. Alexander, director of the National Security Agency, during the committee's hearing on cybersecu

 

              Senate Appropriations Committee member Sen. Jeff Merkley, D-Ore. questions Gen. Keith B. Alexander, director of the National Security Agency, during the committee
Senate Appropriations Committee member Sen. Jeff Merkley, D-Ore. questions Gen. Keith B. Alexander, director of the National Security Agency, during the committee's hearing on cybersecurity and funding, Wednesday, June 12, 2013, on Capitol Hill in Washington. Sen. Tom Udall, D-N.M., watches at right. It is the first public appearance by an NSA official since revelations that the electronic surveillance agency is sweeping up Americans' phone and Internet records in its quest to investigate terrorist threats. (AP Photo/J. Scott Applewhite)