This book brings together a large and diverse collection of philosophical papers addressing a wide variety of public policy issues. Topics covered range from long-standing subjects of debate such as abortion, punishment, and freedom of expression, to more recent controversies such as those over gene editing, military drones, and statues honoring Confederate soldiers. Part I focuses on the criminal justice system, including issues that arise before, during, and after criminal trials. Part II covers matters of national defense and sovereignty, including chapters on military ethics, terrorism, and immigration. Part III, which explores political participation, manipulation, and standing, includes discussions of issues involving voting rights, the use