On a recent Tuesday afternoon, a student of mine wore an attention-grabbing baseball cap to class. The brim was frayed and worn, and the word COCKS was stitched in block letters across the front. I recognized it immediately. This exact cap had been popular 30 years earlier when I was in high school. COCKS is the unsubtle phallic short name for the University of South Carolina’s football team, the Gamecocks. But in the 1990s, boys a thousand miles away in suburban Boston wore it with their Patago