It’s hard to disagree with most of the bad things that have been said about Donald Trump, and impossible to add a truly fresh accusation to the list. In just six months as a presidential candidate Trump has been called “witless, gross, and unworthy,†“ignorant and bombastic,†a “buffoon†and an “a--hole,†a “clownish demagogue,†and “proto-fascist†whose “ideas range from the absurd … to the monstrous,†and whose policy pronouncements are no better than “barstool eruptions.†And those are just his fellow Republicans’ opinions. Gleeful Democrats have made clear that Trump’s lead in public opinion polls throughout 2015 vindicates...