José Antonio Rodríguez held a bouquet of flowers in his trembling hands. It had been nearly a quarter of a century since he had left his family behind in Mexico to seek work in California. In all those years, he hadn’t seen his parents once. They kept in touch as best they could, but letters took months to cross the border, and his father never was one for phone calls. Visits were impossible: José was undocumented, and his parents lacked visas to come to the U.S.