Senate Intelligence Committee Chair Sen. Dianne Feinstein, D-Calif., asks questions about the fate of prisoners at the Guantanamo Detention Center during a hearing by the Senate Judiciary subcommittee on Constitution, Civil Rights & Human Rights, Wednesday, July 24, 2013, on Capitol Hill in Washington. (AP Photo/J. Scott Applewhite)

Senate NSA Hawk Shifts Tone As US Allies Tell Obama Off Over NSA Phone Tapping

After European fallout, Obama frantically takes heat as key NSA backer shifts her position.