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Sen. McCain calls North Korea one of the most serious national security crises we've faced

Name: Sen. McCain calls North Korea one of the most serious national security crises we've faced
Uploaded: 2017-09-17T12:14:40-0400
Duration: 2 min 28 s
Description: Senator John McCain, R-Arizona, joins Face the Nation Moderator John Dickerson to discuss tensions with North Korea.

Senator John McCain, R-Arizona, joins Face the Nation Moderator John Dickerson to discuss tensions with North Korea.