Eat Cake, lose weight . . . no joke If this sounds too good to be true-for once, it's not. That's because strategically timed cheating is required on The Carb Party Diet-to keep your metabolism revved up and burning fat. It's not all about eating cake, but you can eat the "so bad, but so good" foods often enough that you don't feel deprived. And you can have fun doing it, too, if you start a Carb Party group to help you. The Carb...