Also protecting their own interests. If too many terrorists go through the Mexican border and gain asylum, or do mayhem, the people in the US just might wake up and start screaming to close down the border. Mexico doesn't want that, for heaven's sake.
Don't you find it horrifying that every terrorist in the world is coming to America through the borders of Mexico? And that our elected leaders don't care? Unbelivable.
This administration has made it clear that our voices don't count when the subject concerns Mexico. He is leaving America wide open to attack. GWB will not get my vote in November.