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How big a threat does ISIS pose to the U.S.?

Name: How big a threat does ISIS pose to the U.S.?
Uploaded: 2015-02-08T10:42:00-0500
Duration: 6 min 57 s
Description: Former National Security Adviser Tom Donilon and former CIA Deputy Director Michael Morell discuss a range of threats facing the U.S., including ISIS and al Qaeda.

Former National Security Adviser Tom Donilon and former CIA Deputy Director Michael Morell discuss a range of threats facing the U.S., including ISIS and al Qaeda.