I just don't have a Pro-Choice vote in me.
Anti-gun is anti-life too.
When both candidates (who have any chance of holding power) are pro-choice, the vote is not a pro-choice vote, it's a pro-(fill in other issue here) vote.
I hope fervently that Rudy won't get the nomination, but if he does my vote for him will be a pro-victory vote, not a pro-choice vote.