Early family relationship between Birdwell and Johnson families; early organization of National Youth Administration Program in Texas; LBJ's first race for Congress (1937); early days in Washington as Secretary to Congressman Johnson; KVET and KTBC radio stations; 1941 senate race (defeated by W. Lee O'Daniel); 1946 race against Hardy Hollers; LBJ's habit of developing friends from people who had been opponents; 1948 senate race against Stevenson; Birdwell's lifetime friendship with LBJ and his family