Whether ethics is too important to be left to the experts or so important that it must be is an age-old question. The emergence of clinical ethicists raises it again, as a question about professionalism. What role clinical ethicists should play in healthcare decision making – teacher, mediator, or consultant – is a question that has generated considerable debate but no consensus.

Book reviewed in this article: Just Doctoring: Medical Ethics in the Liberal State. By Troyen A. Brennan. The Ends of Human Life: Medical Ethics in a Liberal Polity. By Ezekiel J. Emanuel.