Open Borders: The Science and Ethics of ImmigrationEconomist Bryan Caplan makes a bold case for unrestricted immigration in this fact filled graphic nonfiction. American policy makers have long been locked in a heated battle over whether, how many, and what kind of immigrants to allow to live and work in the country. Those in favor of welcoming more immigrants often cite humanitarian reasons, while those in favor of more restrictive laws argue the need to protect native citizens. But economist Bryan