When I was in U.S. Navy A School, I knew a guy named Walter. In many ways, Walter was an average late-teen-to-early-twenties navy recruit: homesick, restless, impulsive, and far too immature to be taking on any significant responsibility. That was all of us in those days. Unfortunately, Walter was also prone to getting drunk and inexplicably winding up in his underwear. I’m sure there were a lot of steps between Walter’s descents into drunkenness and the shedding of his outerwear, but none of us knew what they were because we never went out with him. We were young and stupid, and we were known to enjoy a beer or five,…