FILE - In this June 12, 2013 file photo, Senate Appropriations Committee member, Sen. Dianne Feinstein, D-Calif., the chair of the Senate Intelligence Committee listen to testimony on C

 

              FILE - In this June 12, 2013 file photo, Senate Appropriations Committee member, Sen. Dianne Feinstein, D-Calif., the chair of the Senate Intelligence Committee listen to testimony on C
FILE - In this June 12, 2013 file photo, Senate Appropriations Committee member, Sen. Dianne Feinstein, D-Calif., the chair of the Senate Intelligence Committee listen to testimony on Capitol Hill in Washington where Gen. Keith B. Alexander, director of the National Security Agency and head of the U.S. Cyber Command testified before the Senate Appropriations Committee. Wondering what the U.S. government might know about your phone calls and online life? And whether all of this really helps find terrorists? Good luck finding solid answers. Americans trying to wrap their minds around two giant surveillance programs are confronted with a mishmash of leaks, changing claims and secrecy. Congress members complain their constituents are baffled _ and many lawmakers admit they are, too. (AP Photo/J. Scott Applewhite)