Glasses of champagne stand on the upper decks (Photographer: Simon Dawson/Bloomberg)
(Bloomberg Businessweek) -- One evening last August, Rick Doblin pedaled a borrowed bicycle across the baked earth playa of Nevada’s Black Rock Desert, site of the annual Burning Man festival. Doblin, who’s 65 and has graying, slightly wild, curly hair, was dressed sensibly for the occasion in khaki cargo shorts and green eyeshadow. Ignoring swerving cyclists, stoned pedestrians, and tinny electronic dance music, he rode past a giant...