Fully revised and extended, the new edition of this innovative and engaging textbook introduces the central elements of political theory from an applied perspective. Focusing on 12 high-profile contemporary social and political case studies, both domestic and global, this text shows how political theory illuminates and helps makes sense of important debates in public life. This is the perfect introduction for students interested in how political theory can be used to help us solve the political questions of our time, whether at a beginner's level, or building upon an introduction to theories and concepts. New to this Edition: - Draws on an even wider range of contemporary and historical political thinkers from different philosophical traditions - Updated to take recent important cases and controversies into account - Includes a new chapter which examines leaking classified information