Martin Hellman writes "In my Stanford seminar, “Nuclear Weapons, Risk and Hope,” I argue that much of the risk stems from a lack of critical thinking – accepting conventional wisdom on key points of national security, even when it is wrong. Much of the hope therefore lies in applying critical thinking to root out fallacious assumptions that form the foundation for our world view. One key assumption that deserves greater attention: Do nuclear weapons act as a deterrent? And, if so, what do they deter?"
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