The article "The Politics of Immigration" examines why Congress members vote the way they do on immigration policies. It shows that immigration politics in the US is shaped by political divides, changing demographics, and the evolving definition of American identity. By analyzing over 30,000 votes since a key immigration bill in 2005, the study predicts the future of immigration reform in the US. The research covers various aspects of immigration policy, such as legal admissions, border security, and undocumented immigrants' status, and discusses potential legislative changes to the system.