Thursday I left in the dark to be at the eye doctor in Great Falls at 8:30 AM. Eighty mile drive, clear dry road, rackety old pickup. Rackety old driver. I fastened my seat belt. I do not take the iPod because I think while I drive. I drive this road at least once a month. If there is a blizzard or a lot of ice, I don’t go. Along the road is a sign that tells me where...