I'm not a morning person, so, fortified with plenty of coffee, I usually start the day off slowly by paging through the newspapers to catch up on the latest. Sometimes, a headline jumps off the page with such a good vibe that it instantly snaps me out of the morning doldrums.  Today is one of those days: the Los Angeles Times and the New York Times reported on this year's recipients of the MacArthur Grants, each of whom will receive $500,000, no strings attached.  Among the winners are scientists, journalists, performers, and, of special interest to me, visual artists...