Daniel Ellsberg may be best known for his role in exposing the realities of the Vietnam War by releasing the Pentagon Papers, but he also has a new book out, The Doomsday Machine, that lays out a stark depiction of nuclear war planning within the government. He joined Jen Psaki in the DiploPod studio to talk about the threat of nuclear war today, the importance of leaks, and the escalation of tensions with North Korea.​

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