LITTLE ROCK, Ark. -- To his bosses at Pilgrim's Pride, he was Juan Jose Rodriguez -- it said so on the birth certificate and Social Security card he presented when the southwestern Arkansas chicken plant hired him six years ago. At his De Queen, Ark., home, he was Joel Garibay-Urbina -- with a wife, three kids and a mortgage under his own name. And to police officers responding to a domestic violence call, he was just the latest illegal immigrant to have two identities after an arrest. "We've arrested them and they offer an Arkansas identification card, and they give...