The Most Radical Gesture is the first major study of the Situationist International, a revolutionary movement with great ambition and influence whose reflections on art, everyday life, pleasure, spontaneity, the city, and the spectacle have ensured it a vital, but largely hidden, role in the development of 20th-century culture and politics. Revealing the extent to which situationist ideas and tactics have influenced subsequent political theory and cultural agitation, this book discusses a variety of specific movements and moments of contestation, including Dada, surrealism, the events of May...