Amid Threats to Close the Border, Authorities Struggle to Process Migrants Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email President Donald Trump speaks about border security in the Oval Office of the White House, Friday, March 15, 2019, in Washington. ( AP Photo ) Produced by José Olivares Hosted by Tanzina Vega Produced by Public Radio International and WNYC