Ninety percent of an expedition is the year or two or more you spend raising support for it. Getting out there on the snow and ice is a relief: you've done it, you've drawn together every string you can pull, cashed in every sliver of goodwill, and now you're on your way...here I'm on a recent visit to Nike World Headquarters, where I'm getting the support of their top designers in the production of a revolutionary new Arctic Boot.