The world will end on May 21, 2011. So said full page ads in newspapers this week. People may choose Apocalypse now or later, or opt for prophecies like the end of the Mayan calendar on December 21, 2012. Some of us chose earlier, meeting spaceships in California, drinking Kool-Aid in Guyana, and planet trekking for prophesied Second Comings, Portal Openings, Awakenings...