The Dairy Council is a lot like Opus Dei: a secretive religious organization that has a complicated relationship with breasts and their products. But the council, unlike Opus Dei, was recently dealt a severe blow: They may no longer promote milk-drinking as a weight loss technique. Of course, three servings of milk a day doesn't necessarily make you fatter. Any Kaplan teacher can tell you the Dairy Council evidently hasn't learned the flip-it and reverse-it rule of contrapositives. So what...