Daniel C. Maguire is Professor of Social Ethics at Marquette University. He has written several books, including most recently, On Moral Grounds: The Art/Science of Ethics and The Moral Code of Judaism and Christianity. Larry L. Rasmussen is Reinhold Niebuhr Professor of Social Ethics at Union Theological Seminary. He is the author of several books, including most recently, Earth Community, Earth Ethics and Moral Fragments & Moral Community: A Proposal for Church in Society.