(Jacquelyn Martin | The Associated Press) Areva Gopal, 3, of Arlington, Va., center, attends a protest of families asking for the reunification of immigrant families who were separated at the border, Thursday, July 26, 2018, on Capitol Hill in Washington. The Trump administration faces a court-imposed deadline Thursday to reunite thousands of children and parents who were forcibly separated at the U.S.-Mexico border, an enormous logistical task brought on by its "zero tolerance" policy on illegal entry.