At the beginning of June 1961, the tensions of the Cold War were supposed to abate as both sides sought a resolution. The two most important men in the world, John F. Kennedy and Nikita Khrushchev, met for a summit in Vienna. Yet the high hopes were disappointed. Within months the Cold War had become very hot: Khrushchev built the Berlin Wall and a year later he sent missiles to Cuba to threaten the United States directly.Despite the fact that the Vienna Summit yielded barely any t...