Immigration is a super-charged, emotional issue that is not going away. In this podcast, Dr. Hill discusses what immigration policy is and its place in the American political landscape. He presents a brief history of immigration in the United States, followed by some ideas on thinking about immigration policy in a more systematic way. Dr. Hill also introduces the Optimal Immigration Framework, and discusses its features and utility. Also included is a look at his most recent work on undocumented students and educational performance, which seeks to address some of these issues using social scientific techniques.