There are plenty of issues where republican politicians side with the minority when it comes to certain issues... The republican tax cuts for millionaires, marijuana legalization, the Affordable Care Act. Yet republican congress-critters support those even though it is (in theory) harmful to their re-election chances. They do so because they think its not important enough to swing voters, and/or they think they can fool people.
I see no reason why a future right-wing republican president (with a solid republican senate and house majority) won't be similarly emboldened, with the knowledge that congress will fall lock-step behind him (as they have done with Stubby McBonespurs and Moscow Mitch over the past 4 years).
It's interesting that you mention the ACA, yet don't actually notice what happened. Republicans, even when they had the majority in both houses and the presidency, failed to repeal the ACA.
I am quite aware of what happened...
- Republicans in the house voted overwhelmingly in favor of the republican's health care plan
- Almost all senators voted in favor of the health care plan.... and one of the only republican senators who voted against it is no longer there. Bragging about how abortion won't be banned federally because one senator made the difference on health care seems rather foolish
- Despite the failure of the republican health care plan, they have continued to attack the Affordable Care act... For example, their Tax Cuts for Millionaires act (which, by the way, was passed by overwhelming support from both the house and the senate republicans) had provisions that affected the ACA. Imagine that.... republicans voting in lock step to approve a tax bill that was not only unpopular because, well, you know.... tax cuts for millionaires and all, but it also attacked the ACA. So I guess republicans are willing to attack a popular program after all.
Yet you think they can pass a federal ban on abortion.
Your whole argument seems to be based on "one senator made the difference in ACA so obviously abortion rights are safe"... Not exactly a resounding rejection of the program though.
And of course you ignored the fact that republicans voted resoundingly in favor of tax cuts for millionaires (even though it too attacked the ACA). And they voted resoundingly in favor of Trump's cabinet members (even though some of them were... questionable). And they voted resoundingly against Trump's impeachment. (But I did hear senator Collins had a very concerned look on her face). And they voted resoundingly to confirm Drunky McRapeface and the Stepford Wife to the supreme court.
Oh, and by the way, as I have mentioned before... the risk is not just an attempt to implement a total ban, but that a future republican president/congress will attempt to implement restrictions that fall short of a total ban, but make access to abortion near impossible (while still "technically" legal).