Article Photos: NSA director says plot against Wall Street foiled 1/5

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)