I live in rural Wisconsin, USA, where there are many white-tailed deer in the woods and fields. Just about every person I know has hit a deer - dangerous to them (and the deer!) and costly, too. The deer have paths that they use. My idea is to equip cars with gps devices that the driver could activate by pushing a button every time he or she sees a deer. This information would be downloaded to a mapping system (GIS) and then as a person was driving a light would come on every time the...