Former US Secretary of Defense Mark Esper was sworn in just days before that now infamous phone call in 2019 where then-President Trump repeatedly asked Ukraine’s President Zelensky to investigate the Bidens in return for military aid. Esper’s new memoir, A Sacred Oath, is filled with explosive and instructive behind-the-scenes examples of what it was like working for the most disruptive American president in modern times, and he joins the show to discuss. 

Also in today's episode: British-American filmmaker Louis Theroux discusses his latest documentary series, Forbidden America; iPhone co-creator Tony Fadell on his new "advice encyclopedia," BUILD.

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