Kennedy’s book and Vargas’s statistics show that immigration is a driving force in American life and politics. By transforming the U.S.’s demographics, immigration also inevitably transforms American identity—which is why political debates over immigration are almost always really about which racial and ethnic groups get to control social, cultural, economic, and political power in the U.S. In turn, this is why Vargas wants the media to start treating immigration and xenophobia seriously, as core issues in U.S. politics, and stop compartmentalizing them as identity issues.