This video from the USA says about itself:
26 April 2018
Intercept Editor-in-Chief Betsy Reed moderated a discussion between Noam Chomsky and Daniel Ellsberg on the topic of nuclear policy and war. Chomsky, a laureate professor of linguistics at the University of Arizona, and Ellsberg, the Pentagon Papers whistleblower and author of “The Doomsday Machine: Confessions of a Nuclear War Planner”, appeared onstage together for the first time.
Daniel Ellsberg’s The Doomsday Machine: A prescient warning of the danger of nuclear war: here.