Support WBURIn Their Search For Asylum, Central Americans Find The U.S. Is Closing Its DoorsPlay05:57Download AudioJohn BurnettMarch 13, 2017 ShareAn El Salvadoran child is interviewed by a U.S. Border Patrol agent after crossing the Rio Grande from Mexico into the U.S. to seek asylum on Apr. 14, 2016, in Roma, Texas. (Getty Images)