The Trump Administration has told states to stop the long-standing practice of taking Social Security benefit checks from some children and youth in foster care. In a letter to governors, sent in early December, Alex Adams, an assistant secretary of the U.S. Department of Health and Human Services, told states to end what he calls "the orphan tax." Adams, who oversees federal child welfare policy, told states to quit taking Social Security survivor benefits from children in foster care. The monthly benefit is paid to a child whose mother or father has died but had worked and paid Social Security...