Francisco Lara-García Contributing Columnist The thousands of migrants trying to enter the United States at the southern border have sparked a fresh wave of political debate over who should be let into the country and how minors and others seeking asylum should be treated. Republicans have launched a political blitz against Democrats by painting President Joe Biden as the cause of a so-called surge at the southern border. Meanwhile, Democrats in Congress have settled on passing legislation in the House that would provide a path to citizenship for millions of migrants, including “Dreamers” and farmworkers. Neither side is talking about how newcomers should be integrated into American life.