Anchor: While Johnson's survival deterred members of Congress from considering impeachment in Watergate, Nixon's ouster has had the opposite effect, emboldening Clinton's foes.
Entailed: Congress decided against impeaching Nixon over Watergate revelations, although he ultimately resigned. 
Contradiction: Lyndon Johnson was impeached because of his underhanded dealings with troops during Vietnam.
Contradiction: A large black dog is sleeping indoors.
Contradiction: Alcohol and more alcohol.
Contradiction: You can get that feeling through any size screen.
Contradiction: A group of people are by a food stand