On this week's Special Sauce, I talk to\xa0David\xa0Simon\u2014one of the smartest, funniest, and most thoughtful serious eaters I have ever broken bread with\u2014about how his years as a beat reporter made their way into his television work. He shares how homicide detectives use a McDonald's order to get info out of suspects. And he reveals his secret to losing weight: "I got out of New Orleans," he says, "where batter is a food group."