Afew years ago I was asked by the instructor of a philosophy class, then titled “Roots of War,” to discuss with his students the culture of the U.S. military community. After identifying myself as a former career military officer, I discussed my impression of our military’s culture. When I was done, a young woman who had been glowering at me and holding her arms tightly across her chest raised her hand. When called upon she vehemently said, “I don’t agree with you. I don’t think it is anything like that. You have just been brainwashed by the military.” “OK,” I...