Lefties and their media minions painted President Joe Biden’s border opening as humane and just, but it brought the largest child-trafficking operation in history. A quarter-million unaccompanied children, waved into the interior, simply disappeared because the Bidenites made no real provision for keeping track of them — with Xavier Becerra, now running to become California’s next governor, one of the chief culprits. US law requires the feds to carefully supervise and track unaccompanied minors they let enter the country, passing them only to vetted sponsors, ideally family or former neighbors, who agree to take good care of the kids, enroll...