Monday will mark one year since Edward Snowden made headlines by identifying himself as the source of classified information leaked from the National Security Agency. Has U.S. policy changed as a result of these revelations? Hari Sreenivasan speaks with Shiobhan…

Edward Snowden says he repeatedly raised constitutional concerns about National Security Agency surveillance internally, but an NSA search turned up a single email in which Snowden gently asks for "clarification" on a technical legal question about training materials, agency officials…

May 22

House passes restraint on NSA surveillance

The House on Thursday passed legislation to end the National Security Agency's bulk collection of American phone records, the first legislative response to the disclosures by former NSA contractor Edward Snowden.

Apr 01

The Obama administration has been conducting warrantless searches of Americans' communications as part of the NSA's surveillance operations that target foreigners located outside of the U.S., the administration's top intelligence official confirmed in a letter to Congress disclosed Tuesday.