President Obama Sends 1,200 Troops to US/Mexico Border 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 A barbed wire fence guards the U.S.-Mexico border on May 2, 2010 at Montezuma Pass, Arizona. ( John Moore/Getty Images / Getty ) Produced by Posey Gruener Produced by PRI and WNYC