Speaker John Boehner prepares to speak to the media after the House passed the USA Freedom Act, an NSA reform bill aimed at restricting access to Americans' phone records. Jim Lo Scalzo/EPA/Landov hide caption

itoggle caption Jim Lo Scalzo/EPA/Landov

Glenn Greenwald in April, arriving in the U.S. for the first time since documents were disclosed to him by former intelligence analyst Edward Snowden. Stan Honda/AFP/Getty Images hide caption

itoggle caption Stan Honda/AFP/Getty Images

Russian President Vladimir Putin as he answered questions on national TV Thursday in Moscow. Alexey Nikolsky/RIO Novosti/Kremlin pool/EPA/Landov hide caption

itoggle caption Alexey Nikolsky/RIO Novosti/Kremlin pool/EPA/Landov

Lt. Gen. Michael Flynn, the director of the Defense Intelligence Agency, testifies before the Senate Armed Services Committee last month. Lauren Victoria Burke/AP hide caption

itoggle caption Lauren Victoria Burke/AP