Ask any veteran of Aspen ArtWeek what to expect when attending for the first time and, after a few sentences about the community’s philanthropic ideals and the caliber of collectors, you’re sure to be told about the nature. “I’d be remiss if I didn’t mention the nature, the landscape” is a constant refrain, always said without cynicism or irony. It was no surprise then that, less than an hour after an expectedly turbulent flight on a model airplane from Denver, I was invited to a cold plunge early the following morning in the nearby Roaring Fork River with a group of art dealers...