eastern, international spy museum historian, vince hoeten, talks about the attempts by the u.s. government to overthrow or assassinate cuban leader fidel castro. >> he was the head of the mob in havana, during the 1950s. so he certainly had a dog in the fight. he was somebody who had been kicked out by castro along with all the casinos and all the mob people. these are the guys you want to be working with. these are the ones that really want to get rid of castro. so the cia said basically, we've got $150,000 on the line, whoever kills castro, the money's theirs. >>> at 8:00, on the presidency, ben stein reflects on nixon's time in the white house. his energy policies, and initiatives in israel and southeast asia. >> richard nixon accused of being anti-semite israel's defense in a way no other president had. >> for the complete schedule, go to c-span.org. >>> join book tv live on saturday, beginning at 6:00 p.m. eastern from books and books bookstore for a panel discussion on books and the joyce of reading. books and books owner and co-founder mitchell caplan will join us, along