For an entire generation, the United States has waged an endless conflict known as the War on Terror. What began as the persecution of Muslims and immigrants has become a normalized, paranoid feature of American politics and security, expanding the possibilities for applying similar or worse measures against other targets at home. A union of journalism and intellectual history, Reign of Terror will be a pathbreaking and definitive book with the power to transform how America understands its national security policies and their catastrophic impact on its civic life.