Decades after the U.S. stopped institutionalizing kids because large and crowded orphanages were causing lasting trauma, it is happening again. The federal government has placed most of the 14,300 migrant toddlers, children and teens in its care in detention centers and residential facilities packed with hundreds, or thousands, of children. As the year draws to a close, about 5,400 detained migrant children in the U.S. are sleeping in shelters with more than 1,000 other children. Some 9,800 are
