CBS News wraps up week-long travel on U.S.-Mexico separator - CBS News
CBS News' Omar Villafranca has spent nan week touring towns on nan U.S.-Mexico separator from Texas done California. On Friday, he reached nan last limb of nan travel astatine Imperial Beach, California -- a coastal metropolis straight supra Tijuana, Mexico. Villafranca has much astir Imperial Beach and what he has learned from this separator journey.