Since the American Revolution, scholars and citizens have often assumed that dispassionate rationality, reciprocity, and nonviolent tolerance are necessary conditions for the sustained development of democracy. Accordingly, they reject oppositional parties that spurn consensus and terms of mutual respect--and often use force to accomplish their political goals--denouncing extremists as irrational and antidemocratic. Founding Fanatics questions this understanding, examining how mom...

Scholars and citizens have often assumed that dispassionate rationality, reciprocity, and nonviolent tolerance are necessary conditions for the sustained development of democracy. Accordingly, they reject oppositional parties that spurn consensus and terms of mutual respect—and often use force to accomplish their political goals—denouncing extremists as antidemocratic.Founding Fanatics questions this understanding, examining how moments of tension, violence, and extremism ...