It never dies: assessing the Nazi analogy in bioethics.

... As should be evident from the foregoing analysis, I have significant reservations about the moral utility of the Nazi analogy in debates over bioethics issues. Nevertheless, I am unable to dismiss its force entirely. I want to suggest that the real threat to the moral and human values expressed by the analogy will come not from responsibly formulated and clearly articulated proposals that undergo debate and scrutiny in the public forum, and whose practical impact in a democratic society is limited by institutional review and procedural safeguards. My concern instead is with the psychology of moral distancing, in which moral conscience is compartmentalized from vocational interests, such as the pursuit of scientific knowledge through biomedical research. It is the kind of psychology that Robert Jay Lifton has referrred to as "doubling: the division of the self into two functioning wholes, so that a part-self acts as an entire self," and which Lifton believes enabled the transformation of physicians from healers to killers in Nazi Germany....