CHAPTER 1. Recognizing Partisan ExtremesCHAPTER 2. Radical Historical RootsCHAPTER 3. Radical Partisan PsychologyPART I. Identifying Radical PartisansCHAPTER 4. The Scope of RadicalismCHAPTER 5. Trends: Stumbling toward a BreakdownCHAPTER 6. Who Are the Radical Partisans?PART II. Radical Behaviors and the Impact of Conditions and EventsCHAPTER 7. From Radical Views to Aggressive BehaviorCHAPTER 8. Historical Precedents and Reasons for ViolenceCHAPTER 9. Reactions to Election Losses and Violent EventsPART III. Communicating RadicalismCHAPTER 10. Words MatterCHAPTER 11. The Future of Radical Partisanship: Risks and OpportunitiesAcknowledgmentsNotesReferencesIndex