Thursday on the NewsHour, migrants at the southern border find themselves stuck in limbo amid a shift in United States immigration policies. Debt ceiling negotiations see progress on spending cuts but a deal to avoid a national default remains elusive. Plus, three years after the murder of George Floyd, the new police chief in Minneapolis discusses the department's future and the need for reform. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders