"Why do radical movements and spaces sometimes feel laden with fear, anxiety, suspicion, self-righteousness, and competition? Montgomery and Bergman call this phenomenon rigid radicalism: congealed and toxic ways of relating that have seeped into social movements, posing as the "correct" way of being radical. In conversation with organizers and intellectuals from a wide variety of political currents, the authors explore how rigid radicalism smuggles itself into radical spaces, and how it is being undone. "--Back of cover.