Better the GOP do battle with a know-nothing bigot (and lose the presidency) than become the party of know-nothing bigots (and still lose the presidency).

That’s why I embrace the Twitter hashtag #NeverTrump, initiated by conservative talk-show host Erick Erickson. For too long, Trump has benefited from the assumption that the non-Trump faction of the party will be “reasonable” and support the nominee. Such thinking paves the road to power for demagogues.

Trump says he gets along with everybody and will unify the country, even as he suggests that an inconvenient judge is biased because he’s Latino, vows to ban all Muslims from the country, insists his Central Intelligence Agency will torture people, and boasts that he will declare war on disloyal journalists.

When your opponent is that unreasonable, the reasonable response is not surrender.

I don’t know whether Trump will win the nomination or the presidency. But I am fairly certain that if he does, a great many people will one day say, “My God, what have I done?”