Anchor: Moyers' defenders say that television has enough strife elsewhere (very little of it illuminating) and that it's important that the airwaves offer a civil forum like Moyers'.
Entailed: Those backing up Moyers think there is enough discord on tv elsewhere.
Contradiction: Moyers makes his guests mud wrestle.
Contradiction: There is no more information available. 
Contradiction: a surfer catches a wave
Contradiction: Inexplicit design 
Contradiction: The dog is running.