nomination time approaches and delegates stream in for the big successi succession. >> he wanted to prove that he was vital and fit. >> at the democratic national convention, jack surprises everyone by announcing his candidacy for vice president. >> jack looks at bobby and says, bobby, would you call dad and give him the news? >> joe kennedy wanted his son to be president of the united states, but he didn't want him to try for vice president and lose and somehow blot his copy book before he was ready for the real run for the white house. >> the old man just rages obscenely over the phone. you boys don't know what you're doing. almost like a father talking to a bunch of, you know, five-year-olds. at this point jack kennedy for the first time of his life disobeyed his father totally.