Overview: The heady days of Camelot were clouded by the political and military tensions between the U.S. and the U.S.S.R. Marvin Kalb, Richard Reeves, Robert Dallek, Sergei Khrushchev and more explain how close the Bay of Pigs and Cuban Missile Crisis brought us all to World War III – and how two nuclear superpowers moved from near confrontation to the Limited Nuclear Test Ban Treaty.