Kevin O'Rourke, OP, is professor emeritus and former director of the Center for Health Care Ethics at the Saint Louis University Health Sciences Center. He is co-author of Health Care Ethics: A Theological Analysis (fourth edition, 1997), Medical Ethics: Sources of Catholic Teachings (third edition,1999) and Ethics of Health Care: An Introductory Textbook (second edition, 1994), all published by Georgetown University Press.