A year ago, I toured the Icefields Parkway, Alberta, Canada, on four wheels.  Tomorrow, I will begin touring it on two wheels, and that’s just the start of the adventure I am planning.  I am hopping on a train with my bike in a few hours – the first stop is Jasper, but further regions I have in mind for this trip are also the Haida Gwaii, Kluane, and Vancouver Island.  Plans are liable to change (read: evolve) depending on the unpredictable nature of things (weather,…