There are nearly 5 million people in the United States with security clearance, and any one of them could be the next Edward Snowden or Bradley Manning.
So what -- if anything - are intelligence agencies doing to better keep their secrets. And, might more whistleblowing be just thing to convince more Americans that massive domestic surveillance isn't the best way to keep us safe.
Political Commentator Sam Sacks speaks with former NSA and CIA Chief Michael Hayden and whistleblower Jesselyn Radack.
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