The latest NBC News/Marist polls show that about half of likely GOP caucus and primary voters in Iowa, New Hampshire and South Carolina said they find opposition to gay marriage either “mostly” or “totally” unacceptable in a candidate.

“Voters in all three states find a candidate who supports gay marriage to be about as amenable as one who doesn’t toe the party line on any of these issues.”

Wonk Wire: Opposition to gay marriage hurts Republican candidates