Abstract
Bioethics seeks to answer questions and resolve problems that change along with developments in medicine and biology. Ethical justification plays a crucial role in bioethical analysis by clarifying the reasons that support complex judgments about particular actions and general policies.1 It helps bioethicists to determine what to allow, forbid, support, and minimize. When there is disagreement, it can also aid understanding of competing positions. However, at times, disagreement on particular issues becomes so entrenched that understanding seems impossible. In such circumstances, how might bioethicists proceed? In answering this question, this paper considers a particularly significant area of..