"Reality"? You use opinion polls to judge "reality"?
When, exactly, should the behavior of the public at large give us a green light to change morality? At 55% approval? 60%? How high should it be until we say, "Yeah, I guess you're right after all, and I was wrong... abortion IS morally acceptable, I guess! After all... that many people can't be WRONG..."...?
Let me say it again: morality (which is the topic of my comment) does not change with the changing social fads. God's Law (think of the 10 Commandments, if nothing else) isn't negotiable. Just to summarize:
1) Something immoral doesn't become "moral" because Donald Trump condones it.
2) Something immoral doesn't become "moral" because a large number of people don't fight it (or care about it).
3) Something immoral doesn't become "moral" because the fight against it seems politically inopportune, or impractical, or not "expedient".
See how that works? There are moral absolutes in the universe, and they don't change (hence the name). Those who sell their birthright to gain a political mess-o'-pottage will set themselves on the same wretched road that Esau walked.
What's the platform say now?
It says that abortion should never be allowed under any circumstances. You apparently don't think it should say that.
Would the proposed changes make it more or less likely that abortion other than in the cases covered by exemptions would be ended?
It certainly wouldn't make abortions any less likely... and it's a spectacularly STUPID idea which trades something for nothing. Think of football: would you give your opponent 5 free extra yards, on the argument that they're on their own 30-yard line and "unlikely to score anyway", and that the "gesture of good will" might make the other team more inclined to let you score, later? It's insane.
The majority of abortion could be ended with the exceptions in place, IMHo, based on how public opinion has changed. Without that much political cover the cowards that end up being our "representatives" will never even try.
By your own words, you admit that the cowards (not all those in office, but many) in place (and yes, I scorn their actions, as well) have no intention of making any serious effort to end abortion. Why you think that a weakening of our plank will somehow motivate them to do so is beyond me.
Pretend what you like but defeating an enemy in detail isn't evil.
That makes no sense at all. What "defeat" are you talking about? What, do you think we should do away with murder laws, since they're so incapable of stopping tens of thousands of homicides per year? Should we stop teaching the Ten Commandments to God-fearing Christian families, since so few people live up to them? You seem to be wanting to sell out Christianity (and sane morality, in general) in the name of some sort of political expediency... and an "expediency" that won't even WORK!
Having sufficient support to outlaw abortion other than in cases listed as exceptions is no better than the current situation?
Play "Holier than Thou" all you like, but half a loaf is better than no loaf at all and if you think a few million abortions a year is better than something that would reduce that by three quarters or more, so be it.
Just don't pretend you're doing anything other than sacrificing children to your personal desire for what you see as the ideal the exact same way abortion advocates are.