Training Guide Showing News Today

The director fired back, saying congressional investigators have found no illegal activity by the nsa. >> thats not bull. those are facts. >> reporter: but another blockbuster revelation. a still top-secret nsa program leaked by edward snowden to a british newspaper that it says allows u.s. analysts to snoop on, quote, nearly everything a user does on the internet in realtime. "the guardian" story provides a 32-page training guide showing how the xkeyscore program works, sucking up data from 150...