On Point Edit this Published in On Point US Borders Swamped By Child Migrants Listen Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/378298/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend A new wave of young children are riding the rails through Mexico and crossing the US border --alone. We'll ask why.