A galactic mystery hovers over the World Economic Forum meeting in Davos, Switzerland: How many of the 2,280 global leaders, including 31 heads of state, gathered in this Alpine resort conduct business with extraterrestrials? This is no whimsy for Davosians. It's on the agenda of the annual powwow of the influential and affluent who will ask forum participants such as Vice President Dick Cheney, Coca-Cola Chairman Douglas Daft and De La Rue Chief Executive Ian Much if the aliens have landed and are collaborating with them to concoct government policy, brew soda pop and mint Iraq's new bank notes. "The...