Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Oct 31, 2013
Documents leaked by former NSA contractor Edward Snowden claim the NSA and its British counterpart tapped fiber-optic cables connected to Google and Yahoo data centers, gaining access to metadata from user accounts. Gwen Ifill talks to The Washington Post's Barton Gellman about the legality of the NSA alleged actions.