Preface-- Section 1 Theoretical Perspective: The dynamics of violent protest: politics, emotions, and interaction, Seraphim Seferiades and Hank Johnston-- The role of violence in mass protests, Frances Fox Piven-- The outcomes of political violence: ethical, theoretical, and methodological concerns, Lorenzo Bosi and Marco Guigni-- Age cohorts, cognition, and collective violence, Hank Johnston.-- Section 2 Regional Perspectives: France, Germany, and United Kingdom: Political violence in Germany: trends and exploration of causes, Dieter Rucht-- The unusual suspects: radical repertoires in consensual settings, Mario Diani-- Riots: a dynamic view, Donatella Della Porta and Bernard Gbikpi.-- Section 3 Comparative Perspectives: Protest and repression in democracies and autocracies: Europe, Iran, Thailand, and the Middle East 2010-2011, Jack Goldstone-- Contemporary French and British urban riots: exploring the underlying political dimensions, David Waddington and Mike King-- The volatility of urban riots, Marilena Simiti.-- Section 4 The Greek December, 2008: The Greek December, 2008, Hank Johnston and Seraphim Seferiades-- Along the pathways of rage: the space-time of an uprising, Loukia Kotronaki and Seraphim Seferiades-- The accidental eruption of the anarchist movement, Kostas Kanellopoulos-- Beyond the riots: radical minorities shaping a decade of upturn in Greece, Nikos Lountos-- Works cited-- Index.