For much of the Cold War the United States had thousands more nuclear weapons than it needed. And it took decades for American political leaders to realise no one had ever asked: ‘how many nuclear weapons is enough?’ As for Ronald Reagan, he went into office a nuclear hawk and came out considering total disarmament. These aspects of the history the US nuclear programme are described in Fred Kaplan’s book The Bomb: Presidents, Generals, and the Secret History of Nuclear War (Simon & Schuster, 2021). Owen Bennett-Jones has been speaking with Fred Kaplan. Owen Bennett-Jones is a freelance journalist and writer. A former BBC correspondent and presenter he has been a resident foreign correspondent in Bucharest, Geneva, Islamabad, Hanoi and Beirut. He is recently wrote a history of the Bhutto dynasty which was published by Yale University Press. Learn more about your ad choices. Visit megaphone.fm/adchoices Support our show by becoming a premium member! https://newbooksnetwork.supportingcast.fm/world-affairs