Now in an updated edition with fresh perspectives on high-profile ethical issues such as torture and same-sex marriage, this collection pairs cogently argued essays by leading philosophers with opposing views on fault-line public concerns. Revised and updated new edition with five new pairs of essays on prominent contemporary issues including torture and same-sex marriage, and a survey of theories of ethics by Stephen Darwall Leading philosophers tackle colleagues with opposing views in contrasting essays on core issues in applied ethics An ideal semester-length course text certain to generate vigorous discussion