An earlier thread that may be of interest: Why did Heinlein report incorrectly about Cox in Starship Troopers? - Cafe Society - Straight Dope Message Board
In play:
Lyndon Baines Johnson, Democrat of Texas, was elected President of the United States in 1964, having succeeded to office as John F. Kennedy’s Vice President the year before when Kennedy was slain in Dallas. Supporters of Barry Goldwater, Republican of Arizona, LBJ’s very conservative opponent, touted the slogan, “In your heart, you know he’s right.” Democrats countered with, “In your guts, you know he’s nuts.”