Among the more disturbing recent trends in politics is the unholy marriage of populist politics and virulent conspiracy theories. Who is susceptible to such absurdities, and what makes them so politically potent? Investigating recent conspiracy theories and their historical forebears, Arthur Goldwag helps us make sense of the senseless. As he dissects these strange beliefs and answers the broader question of why so many Americans have fallen prey to them, three uncomfortable truths emerge: that the theocratic authoritarianism that undergirds so much of Trumpism is as deeply rooted in our American heritage as the Enlightenment principles that informed our founding documents; that they will outlast the Trump era; and that the fears that animate both sides of the partisan divide-that our system is "rigged"-are not altogether unfounded. The real question is: For whom is it rigged, and why?