In this volume, seven political theorists and historians, including Yack himself, reconsider the book’s substantive and methodological innovations, its limitations, and its current relevance. Contributors to the volume discuss, inter alia, left Kantianism in historical context, the theological origins of the longing for total revolution, the question of whether the tradition identified by Yack is connected to twentieth-century totalitarianism, and the unique form of critical genealogy pioneered by Yack’s book. The volume concludes with Yack’s response to the other contributors’ chapters. This book was originally published as a special issue of the .