A long time ago I dated someone whose Dad worked with nuclear weapons before the nuclear test ban was in place and at the height of the Cold War. At the time th

A long time ago I dated someone whose Dad worked with nuclear weapons before the nuclear test ban was in place and at the height of the Cold War. At the time there was a saying that it would take less than a dozen nuclear weapons to destroy life on earth if detonated in the right location. Her Dad had told her that the number was more than a dozen but less than a hundred and was pleased to be one of the few that knew the exact number. As for people dumb enough to make the weapons in large numbers (https://www.businessinsider.com/putin-doomsday-status-6-nuclear-weapon-2018-3?amp https://www.businessinsider.com/putin-doomsday-status-6-nucl...)