In 1945, the USSR was an ally of the west in the fight against Nazi Germany. But a mere 17 years later the two sides stood poised to obliterate each other in a nuclear apocalypse. David Reynolds describes how a relationship turned ugly
We call it the Cold War, but in October 1962 the world seemed about to incinerate. The Soviet decision to install nuclear missiles in Cuba triggered a crisis with the United States that threatened a global holocaust.