Many years ago, I had neighbors who were immigrants from Bolivia. One day, when the young daughter of the family was about to celebrate her fiesta de quinceañera, she asked me if I knew how to make an ‘egg roll’. I began to tell her about egg roll wrappers, cabbage, frying, &c, when she interrupted me and said that she meant the ‘hairstyle’. Apparently, young people of her set had begun to identify the classic‘French Twist’ hairstyle, as an ‘Egg Roll’. I had never worn a French Twist – for that matter, I had never actually made Egg Rolls; but...