So far the only answers he have given are short and Obama-like. How would he protect marriage, or the state's right to protect marriage, in the face of a federal court decision ordering gay marriage? He has to do better than that or Michelle Bachman is going to blow right past him in Iowa.

Watch the exchange:

Transcript:

John King: Are you in favor of a constitutional amendment or is it a states' decision?

Herman Cain: State's Decision.