Jump into today's most modern car and head for the streets of Laredo; chances are you'll be aided by the latest state of the art -- the Global Positioning System. It's that on-dash monitor that offers you the fastest route from points A to B. It guides you around road construction, past detours, and points out your position every step of the way.
But what if you're that independent grocer on the streets of Laredo? It's high noon and suddenly you're facing that supercenter moving in ac