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    Senator: U.S. threat level has never been higher

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Senator: U.S. threat level has never been higher

Jim Sciutto talks to Sen. Angus King who says, "I am strongly in favor of protecting privacy rights, but ... I have never seen the threat level higher."

Senator: U.S. threat level has never been higher

Jim Sciutto talks to Sen. Angus King who says, "I am strongly in favor of protecting privacy rights, but ... I have never seen the threat level higher."