In the 1930s, the Schechter brothers ran a chicken business in Brooklyn. The name Schechter is derived from the Yiddish word for "butcher," and this is what the brothers did: they slaughtered chickens and sold them to shops. The brothers seemed to be typical immigrants, at once struggling and succeeding. But in 1934, they became famous thanks to Schechter Poultry Corp. v. United States. Only months after Franklin Roosevelt had signed a code regulating the chicken business, the brothers were accused of violating it. Prosecutors said they had sold an unfit chicken, one with an egg lodged inside it, and...