Some of the conspiracy theories now gripping American politics contend that Joe Biden was executed and replaced by a clone and that John F. Kennedy Jr., faked his death and will one day return to slay Trump’s enemies. But who is susceptible to them, and what makes them so politically potent? Investigating the historical roots of our peculiar brand of political paranoia, Arthur Goldwag helps us make sense of the senseless and, in so doing, uncovers three uncomfortable truths: that it is older than Trumpism and will outlast it; that theocratic authoritarianism is as hardwired in our American heritage as the principles of the Enlightenment; and that the fear that our system is “rigged” is not altogether unfounded. A probing, surprising, and critical examination of America’s paranoid style, sheds new light on the age-old question: What exactly are we so afraid of?