Support WBURDespite 'Ample Warning,' U.S. Was Unprepared For Latest Surge Of Migrant ChildrenPlay07:26Download AudioJoel RoseMarch 22, 2021 ShareHomeland Security Secretary Alejandro Mayorkas addresses a press briefing this month. Mayorkas has tried to discourage migrants from coming north and blamed the Trump administration for dismantling the system that processes and cares for them. (AP)
