Have you seen Taco Bell’s campaign (about a year or two old, but still running) called “Fourth Meal?” It shows 20-somethings who are out late and hankering for their midnight nosh–massive bean and beef burritos dripping with shredded cheese. It’s actually a pretty good marketing campaign to promote 1) that Taco Bell is open later than most of the competition and 2) that it is totally OK to tack another full meal onto your 24-hour clock. Since you are health...