Again, their own "look at me, I'm edgy and pushing boundaries" schtick is what is losing them their allies.
Yes. Pro-abortionists had a winner with "safe, legal, and rare". Wrong as I think even rare abortion is, as MillCreek correctly points out, most Americans don't think too much about the issue and are pro-abortion to some fuzzy point largely dependent on their knowledge or ignorance of fetal development. If the left had stuck with their "safe, legal, and rare" line the anti-abortionists would have had a hard time making political headway. When the official party line became "abortion at any time for any reason" then they lost a lot of people who had some vague idea that at some point a baby must at some point become a baby, and even if they can't imagine that at twelve weeks, they sure as hell know that it happens before the baby pops out.
I hope the anti-abortion side doesn't likewise end up being a victim of its own success ...