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Could ISIS become the greatest threat facing the U.S.?

Name: Could ISIS become the greatest threat facing the U.S.?
Uploaded: 2014-08-24T10:33:00-0400
Duration: 6 min 1 s
Description: Former acting CIA Director Michael Morell joins CBS News' Bob Orr and Margaret Brennan to discuss the threat posed by extremists rampaging across Syria and Iraq.

Former acting CIA Director Michael Morell joins CBS News' Bob Orr and Margaret Brennan to discuss the threat posed by extremists rampaging across Syria and Iraq.