Trump has transformed the national political discourse from skirmishes over his assorted harebrained ideas and extreme actions (Venezuela, Greenland, vengeful criminal prosecutions, mass deportations, the destruction of the public health establishment, his war on universities, tax cuts for the rich, and so on) into a debate over the fundamental nature of the United States. Will it become a full-fledged authoritarian-led police state? That's the fight at hand. Trump and his miscreants are eager for it. They may attain their fascistic fantasy"unless enough Americans say no.