The mexicans are not willing to easily give up their newly won territory. Are any formerly American towns behind those lines or is it ONLY "public lands?"
Oh, by the way... we're paying for the upkeep of that territory. Such a deal for the occupying forces, eh?
Pot-Firing Catapult Found At Arizona-Mexico Border
TUCSON, Ariz. Drug smugglers trying to get marijuana across the Arizona-Mexico border apparently are trying a new approach a catapult.
National Guard troops operating a remote video surveillance system at the Naco Border Patrol Station say they observed several people preparing a catapult and launching packages over the International Border fence last Friday evening.
http://www.huffingtonpost.com/2011/01/27/drug-catapult-found-_n_814840.html