The revelation in the April 25, 2001 New York Times Magazine that former senator Bob Kerrey murdered innocent women and children in Vietnam has exposed a sharp division in American public opinion over questions of military ethics. Kerrey admitted to having participated, as a young Navy SEALs lieutenant, in a massacre of 13 unarmed Vietnamese women and children in the tiny village of Thanh Phong. Exactly how the incident, which occurred in February of 1969, took place still isn't clear. According to Kerrey, his SEAL commando squad mistakenly believed they were under fire; but one of the members of that...