It's not a no-win situation at all. He could advocate the building of a security fence and be pretty much done with it.
The U.S.-Mexico border region is defined as 100 Km (62 miles) north and south of the international boundary. Two thousand miles long, the border region includes four states in the U.S. (California, Arizona, New Mexico and Texas) and six states in Mexico (Baja California Norte, Sonora, Chihuahua, Coahuila, Nuevo Leon and Tamaulipas).