Mexican illegal immigrant Lindi sat down with her husband Marco Antonio in the weeks before Christmas to decide when to go back to Mexico. She has spent three years working as a hairdresser in and around Phoenix, but now she figures it is time to go back to her hometown of Aguascalientes in central Mexico. "The situation has got so tough that there don't seem to be many options left for us," Lindi, who asked for her last name not to be used, told Reuters. The couple are among a growing number of illegal immigrants across the United States who...