The media went wild last week when John Bolton resigned from his position as President Trump's National Security Adviser. This week, Trump announced he will nominate U.S. hostage negotiator Robert O'Brien to replace Bolton. So how important is this role? What exactly is the nature of the job and do they shape policy? This week, Heritage expert James Carafano explains. Plus, we chat about Carafano’s powerful new mini documentary about 9/11.

SHOW NOTES:

Watch the full documentary "Why We Fight: 9/11 and America's Longest War"

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