There is the world of ideas and the world of practice; the French are often for sup pressing the one and the English the other; but neither is to be suppressed. -Matthew Arnold The Function of Criticism at the Present Time From its inception, bioethics has confronted the need to reconcile theory and practice. At first the confrontation was purely intellectual, as writers on ethical theory (within phi losophy, theology, or other humanistic disciplines) turned their attention to topics from the world of medical practice. Recently the confrontation has grown more intense. The ap pointment of...