Despite the popularity of the recent movie “Civil War,” we’re not on the verge of a second one. But we are separating into so-called “red” and “blue.” And if Trump is reelected president, he’ll hasten the separation. Since the Supreme Court’s decision to reverse Roe v. Wade left the issue of abortion to the states, one out of three women of childbearing age now lives in a state that makes it nearly impossible to get an abortion. And while red states are making it harder than ever to get abortions, they’re making it easier than ever to buy guns. Red states are also banning diversity, equity, an…