Gen. Keith B. Alexander, director of the National Security Agency and head of the U.S. Cyber Command testifies on Capitol Hill
Gen. Keith B. Alexander, director of the National Security Agency and head of the U.S. Cyber Command testifies on Capitol Hill AP
Gen. Keith B. Alexander, director of the National Security Agency and head of the U.S. Cyber Command testifies on Capitol Hill AP

Congress grills NSA chief Keith Alexander about spying

June 12, 2013 7:03 PM