“Daniel Ellsberg is a self-proclaimed “psychedelics person,” who says he has had several hundred experiences with psychedelics.

He isn’t convinced, however, that psychedelics hold the key to unlocking world peace and freedom from the impending nuclear and climate-related doom that he explores in his most recent book, “The Doomsday Machine: Confessions of a Nuclear War Planner.””

Here is an interview with author Michael Pollan, discussing psychedelics and the human desire to change our consciousness.