It's happened every snow-filled morning. The darkness is slowly being lifted by the creeping in of light. Shovel in hand I methodically push snow to the edges of the driveway one row at a time. Being a creature of habit I am usually out there at the same time the task needs to be completed. Over the first part of this winter I have witnessed a scene that repeats itself each and every time I'm out there. Of course, right before the scene unfolds I am not even thinking about it...but then it occurs. The still of the cold air early in the morning is broken by a low rumbling in the near distance. The sound move quickly toward me and into my sight from around a bend appears a school bus. Dirty with gray-black snow on the wheel wells, smeared with the distinctive shade of road salt along its body, the large yellow-orange vehicle barrels forward. As it catches my attention I stop to look at the bus, maybe just to give my arms and back a rest, and there he is. Walkin...