"Let's take this a step further. After all, with Barack Obama desiring to decrease the number of folks in the military, and with forces committed worldwide, we may not have sufficient military forces at home to deal with a rising national emergency. If the government decided to rely on foreign troops, perhaps United Nations personnel, most of which may not understand the street signs, much less know the lay of the land, they could use GPS devices to direct them to your front door," he wrote.