It happened, again: Democrats lost a winnable election to a racist, orange-makeup-wearing carnival barker, despite his odiousness, immorality, and unbridled corruption. This time, Donald Trump campaigned on an even darker agenda — the mass deportation of migrants, calls for more violent policing, and demands of retribution against his enemies — and he didn’t have to try to steal the election in the courts or via a violent coup. In the battleground states, he appears to have run the table, and he will likely win the popular vote outright, something a Republican...