In the long and storied history of the United States Army, many young officers have served in many war zones. Few, I suspect, were as sublimely ignorant as I was in the summer of 1970 upon my arrival at Cam Ranh Bay in the Republic of Vietnam. This article first appeared on TomDispatch. Granted, during the years of schooling that preceded my deployment there, I had amassed all sorts of facts, some of them at least marginally relevant to the matter at hand. Yet despite the earnest efforts of some excellent teachers, I had managed to avoid acquiring anything that could be dignified with the term education. Now, however haltingly, that began to change. A year later, when my tour of duty ended, I carried home from Vietnam the barest inkling of a question: How had this massive cockup occurred and what did it signify? Since that question implied rendering judgment on a war in which I had (however inconsequentially) participated, it wasn’t one that I welcomed. Even so, the question dogge...