Divided states: A patchwork of local laws reflects the complicated, contradictory national debate over immigration policy. A review of Debating Immigration. Economic research suggests that the intensity of reactions seems completely disproportionate to immigration’s real economic impact on the local population. From Reason, an article on why the Right shifted on immigration, and how Tancredoism took over; guests in the machine: Guest worker programs may be the best hope many of the world's poorest people have for improving their lives; and an interview with Laura Maria Agustin, author of Sex at the Margins: Migration, Labour Markets and the Rescue Industry.