Howard Bloom examines the paleopsychology of mass behavior and humanity's group dynamics throughout history. Bloom discusses how evolution shaped human tendencies toward conformity, tribalism, and collective action. The conversation explores the mechanisms driving mass movements, groupthink, and the surrender of individual judgment to collectives. Bloom examines historical examples of mass behavior from religious movements to political extremism to mob violence. The discussion addresses the September 11th attacks through the lens of understanding how groups radicalize and commit mass violence. Bloom explores the role of memes, ideas, and belief systems in programming mass behavior. The broadcast examines why humans evolved strong conformity instincts and how these instincts can be exploited. Bloom discusses the psychology of terrorists and how group dynamics enable individuals to commit acts they wouldn't alone. The conversation addresses whether understanding paleopsychology can help prevent future mass violence and extremism. Bloom examines the tension between individual autonomy and group belonging in shaping human behavior and civilization.