This week is National Migration Week, a campaign of the American bishops aimed at comprehensive immigration reform in order to legalize 11 million undocumented immigrants. The campaign has five goals: Provide a path to citizenship for undocumented persons; preserve family unity as a cornerstone of our national immigration system; provide legal paths for low-skilled immigrant workers to come and work in the United States; restore due process protections to immigration enforcement policies; address the root causes of migration caused by persecution and economic disparity.