“So as this evolved over time, nuclear deterrence and nuclear war fighting became almost indistinguishable — and that’s the rabbit hole that some presidents in times of crisis have tried to scramble out of. Once you accept a couple of premises, you can get caught down this rabbit hole very quickly, where it almost becomes an inevitable thing that you end up using these weapons…”
— Quote from “The Bomb: Presidents, Generals, and the Secret History of Nuclear War,” by Fred Kaplan