First, Do No Unjust Harm begins from the premise that one of our primary moral duties is to avoid doing wrong and from the observation that people seem to violate that duty not infrequently in their quest to oppose "evil" in the pursuit of some ostensibly "higher good." Since many of these ethical problems appear to be caused by faulty or insufficient analysis of what is "wrong," Pletz has worked out some more rigorous guidelines for such...