This week in SundayArts News: the new Museo Del Barrio, After Miss Julie at American Airlines Theater, Bold, Cautious, True: Walt Whitman and the American Art of the Civil War Era at the Katonah Museum (through 1/24), Bill Viola: Bodies of Light at James Cohan Gallery (through 12/19), Picture Reframed: Leif Ove Andsnes at Alice Tully Hall (11/13-11/14), Bill T. Jones/Arnie Zane Dance Company at the Joyce Theater (11/10-11/15), and the Margaret Mead Film and Video Festival at American Museum of Natural History (11/12-11/15)