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John Brennan

Name: John Brennan
Uploaded: 2016-02-15T00:05:00+0000
Duration: 13 min 50 s
Description: In a rare interview, the head of the CIA outlines the threat to America posed by ISIS and discusses other security concerns such as cyber and biological terror. Scott Pelley reports.

In a rare interview, the head of the CIA outlines the threat to America posed by ISIS and discusses other security concerns such as cyber and biological terror. Scott Pelley reports.