Joe Biden is one of the few world leaders who will vividly remember the Cuban missile crisis. He was a student, almost 20 years old, when the US and the Soviet Union came to the brink of nuclear war. Now, as US president, Biden has half-mused, half-warned that the world is currently closer to nuclear Armageddon than at any time since the crisis that unfolded in October 1962 — exactly 60 years ago.
