>> The Smithsonian American Art Museum honors the winners of the Lucelia Artist Award over the past six years with its new exhibition opening tomorrow. The highly prestigious award gives $25,000 to an artist under 50 who has “consistently demonstrated exceptional creativity.” See the six winners every day from from 11:30 a.m. to 7 p.m. The 2007 winner will be revealed tomorrow when the exhibit opens. >> If you haven’t had the chance yet…