The race for the next litigation jackpot has officially begun — driven by trial lawyers exploiting billions of dollars in resources freshly extorted from hapless smokers. Caesar Barber, a 272-pounder, has sued the major fast-food chains because he is obese. "They said, '100% beef,'" Barber whined. "I thought that meant it was good for you. Those people in the advertisements don't really tell you what's in the food. It's all fat, fat and more fat."Barber's case is just the beginning. Pretty soon, the states will be suing to recover obesity-related Medicaid expenditures — more claims based on bogus legal...