“The Wrong ICE is Melting,” read one sign hoisted in the air by a white woman in a COVID-19 mask on the streets of Los Angeles. “Don’t Let Democracy Go Extinct,” read a poster held in Omaha, Nebraska, by a very serious liberal in an inflatable dinosaur costume. “Free Palestine, Free DC, Free Us All,” read a banner waved during a march down the National Mall in Washington. Millions of people took to the streets to protest something in mid-October. What that was, exactly, was less clear. Billed as “No Kings” protests against an American monarchy that does not exist, the demonstrations took aim at a host of things that also do not exist in America: fascism, military occupations, and a vast conspiracy to cover up an Epstein-Trump sex ring. Just this month, violent protests...