Last year our trip began on a slippery slope aboard a Greyhound bus sliding sideways down an icy highway. This year our trip begins two months earlier which, I hope, will mean no ice on the road. We're in Canada though... who knows?Come to think of it the buses in South America weren't any safer when we raced down narrow dirt Peruvian roads seven years ago. What are we thinking?The older I get the more I wonder why we do these crazy things. Truth is n...