Glenn Greenwald Takes MSNBC's Mika Brzezinski, to Task for Using NSA WH [View all]

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Guardian reporter Glenn Greenwald, who broke the stories on the NSA's phone and internet surveillance programs last week and helped reveal on Sunday the identity of Edward Snowden, the former CIA employee who is behind the NSA leaks, speaks with Joe Scarborough and Mika Brzezinski about his interviews with Snowden.