Food fads: What’s good and what’s bad about Weight Watchers?

I’ve been sharing with you my thoughts on food and diet fads and cults—and today I’m tackling Weight Watchers. “What!!” you say? “Weight Watchers is an American institution!” Sure. Millions have lost weight with Weight Watchers. And I acknowledge the good things about it. But it’s a bit of a revolving door. Let me explain.…