I was at the inaugural Enhanced Games, a three-sport event founded by a group of Silicon Valley techno-libertarians that asks one question: How far can you push athletic performance if you give athletes access to some of the most powerful performance-enhancing drugs known to humankind? The competition, held in Sin City's Resorts World on May 24, had all the trappings of a traditional sporting event: referees, Olympic-regulation tracks, swimming pools, and weights. The one crucial difference was