NSA Surveillance

June 18, 2013 - 8:34 AM
FILE - In this June 12, 2013 file photo, Gen. Keith B. Alexander, commander, U.S. Cyber Command and director, National Security Agency/Chief, Central Security Service testifies on Capitol Hill in Washington. Alexander will testify during a hearing of the House Intelligence Committee Tuesday, June 18th. (AP Photo/Charles Dharapak)