President Trump's National Emergency Draws Multi-State Challenge; Does the Lawsuit Have Standing? 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 Border Patrol agent Vincent Pirro walks towards prototypes for a border wall Tuesday, Feb. 5, 2019, in San Diego. ( AP Photo ) Produced by Rob Gunther Hosted by Tanzina Vega Produced by KPCC, PRI and WNYC