Section I examines historical philosophical understandings of expertise in order to situate the current institution of bioethics. Section II focuses on philosophical analyses of the concept of expertise, asking, among other things, how it should be understood, how it can be acquired, and what such expertise warrants. Finally, section III addresses topics in bioethics and how ethics expertise should or should not be brought to bear in these areas, including expertise in the court room, in the hospital room, in the media, and in making policy. 2. A GUIDED HISTORICAL TOUR As Scott LaBarge points...