Math.
A pro-abortion "Republican" will alienate too much conservative base to win the White House.
Clinton won two terms and remains a wildly popular president with more Americans than not, despite his pro choice posture.
A winning president need not necessarily be pro life. A dem proved it handily, maybe a GOPer can prove it, too.
I'm pro life, but I don't believe first trimester abortions would be illegal in the USA regardless of who is president. As I see it, that's the only rational conclusion to draw based on the political landscape right now.
Math.
A pro-abortion "Republican" will alienate too much conservative base to win the White House.
A pro-abortion "Republican" will alienate too much conservative base to win the PRIMARY. There - fixed it!