Most treatments of the countersubversive mentality disconnect demonology both from major American social divisions and from institutionalized political repression. Most versions of American history, by a complementary set of choices, chart a progress toward freedom and inclusion. To link countersubversive thinking to political repression is to write another history. Such an account hardly stands in for American history as a whole. But if certain familiar patterns recede into the shadows, neglected, dark areas emerge into light.