What should U.S. immigration policy be, given that half a million immigrants enter the U.S. illegally each year and the total number of undocumented residents in the country is about 11 million (most of them Mexicans)? For the far right, the answer is obvious: close the borders. The U.S. cannot and should not absorb such numbers. This view is regularly touted on Fox News, whose commentators decry the porousness of U.S. borders, argue for stepped-up policing—perhaps even a fence along the entire U.S.-Mexico border—and for a crackdown on those who employ or aid undocumented migrants. They imply that illegal immigrants must be sent home. In these arguments, xenophobia is often close to the surface.