on lectures in history, professor paul kengor explores the 10 days of october 1962 when the united states and soviet union faced off over missiles in cuba in one of the "hottest" episodes of the cold war. he explains how the ideological militancy of cuban leader fidel castro worried leaders in both moscow and washington who did not truly desire nuclear conflict despite their tough talk. dr. kengor: all right, you guys, welcome. it is good we have got c-span here today. and we are going to talk about the cuban missile crisis and specifically, fidel castro leading into the cuban missile crisis. so we are going to hit a period of about 1957 until 1950 nine -- until 1959 until the missile crisis itself in october, 1962. that will pick off a little bit where we left off in the last class. the last class we talked about july 26, 1953 launch of the revolution, the communist revolution in cuba. and that was when fidel and a force of 100 to 200 rebels launched an attack on the army barracks in santiago, cuba. 15 years in prison, so less than a year in prison, 11 months altogether. with that, he wa