Andrea Mitchell Reports 12/08/15

Johnson: ‘Trump’s proposal is a setback’

The U.S. Secretary of Homeland Security, Jeh Johnson, joins NBC’s Andrea Mitchell to discuss multiple topics regarding U.S. national security. He comments on GOP frontrunner Donald Trump’s recent comments proposing a ban of all Muslims in the U.S., the San Bernardino shooting, and the fight against ISIS. ... more Duration: {{video.duration.momentjs}}