President Joe Biden’s border chief Alejandro Mayorkas was asked Wednesday if his huge and growing inflow of economic migrants is good for Americans’ wages and rents, and he replied that this is a “Nation of Immigrants.” The Cuban-born, pro-migration border chief took a few procedural questions from picked journalists when he presented part of his new plans to import more migrants into Americans’ workplaces and neighborhoods. “Our president has led the largest expansion of legal pathways ever,” Mayorkas said to a mostly empty press room. But Breitbart News asked about the fairness of Mayorkas’s maximum-migration policies for ordinary Americans at...