Earlier this year, Joe Biden ended the controversial “Remain in Mexico” policy — but a court has now reinstated it. Today, what that means for asylum seekers, who are forced to wait in Mexico for their immigration proceedings. Read more:Today on Post Reports, we revisit Nancy, a woman we followed as she fled gang violence in El Salvador and ended up stuck in a border camp in Matamoros, Mexico. Nancy’s story shows how this program affects asylum seekers left in limbo on the U.S. southern border.