In Immigration Debate, Focus Turns to Texas 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 US Border Patrol vehicle drives along the fence separating the US from Mexico, near the town of Nogales, Sonora, Mexico, on July 31, 2010. ( ALFREDO ESTRELLA/AFP / Getty ) Produced by PRI and WNYC