After Tough Talk, NAFTA Renegotiation Begins 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 In this April 21, 2008 file photo, national flags representing the United States, Canada, and Mexico fly in the breeze in New Orleans where leaders of the North American Free Trade Agreement met. ( Judi Bottoni / Associated Press ) Produced by Elizabeth Ross and Oliver Lazarus Hosted by Todd Zwillich Produced by PRI and WNYC