John O. Brennan is a former American intelligence officer who served as the Director of the CIA from 2013 to 2017. John joins the Armchair Expert to discuss the distinctions between the CIA and FBI, his professional route through his career, and serving under six different administrations. John explains what it's like to be confronted with harsh realities where either course of action has implications, the ebbs and flows of the CIA's power of persuasion, and the need for ethical intelligence. John opens up about the personal weight of his job, the trickle-down effects of supporting smaller nations, and the ways in which climate change will continue to have serious national security implications. In the fact check, we find out if Miniature Mouse is a good fit for the CIA.

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