LBJ's relationship with John Connally; first statewide radio broadcast; LBJ on the stump; the idea of the helicopter; preparedness the key theme; LBJ's reputation as a Congressman; LBJ and minority groups; campaign appearances; close vote; Connally joins Senate staff; involvement in later campaigns; LBJ and the 1960 nomination; period after the assassination; social contacts; appointment to and work on the National Advisory Commission on Selective Service