In recent years, kale has surged in popularity, becoming a darling of health food enthusiasts and even making headlines in national news segments. Predictions are even suggesting that kale salads might soon appear on the menus at TGI Friday's and McDonald's. Cabbage, however, tells a different story. Its per capita consumption peaked in the 1920s when Americans ate an … [Read more...] about Kale, Brussels Sprouts, Cauliflower, and Cabbage: Varieties of a Single Magical Plant Species