In 2021, when the new Biden administration was struggling to cope with a sudden influx of unaccompanied migrant children at the U.S.-Mexico border, the government repeatedly overrode the concerns of lower-level workers who warned about placing them in certain households, documents and interviews show.  “It does not appear safe for the minor to be released to a home environment that was not fully assessed,” a case worker wrote about a child slated to live in a hostel-like home in Florida...