After he’d gone 90 days without payment, my law firm informed Shihad that we could do no more on his case until he made a payment. He pulled a wad of food stamps our of his wallet and said, "Give me some time to sell these." Shihad, who’d won his asylum case a few months earlier, might have been eligible for food stamps, but he wasn't eligible to sell them. No one is. It's a crime. "Shihad," I said, "I'm withdrawing. You're trying to pay me with the proceeds of a crime." The commonness of food stamp fraud among America's...