Thousands of migrants -- most of whom are from Haiti -- have been removed from an encampment in the town of Del Rio, Texas, along the U.S. southern border as U.S. officials have started to take more aggressive steps to stop the encampment from growing further. Major recent developments in Congress will also touch on the broader U.S. immigration policy. Yamiche Alcindor and Lisa Desjardins report. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders