Art   A.1. TRIBAL AFRICAN ART   Tribal African art at the Metropolitan Museum and the African Museum in Tervuren A.2. BROOKLYN MUSEUM   Opening of the New Brooklyn Museum A.3. RUBENS   His Barok Paintings in Antwerp and its 21st century dance translation. Music by Praga Kahn. A.4. BRUSSELS ART GALLERY TOUR   Visit LIVE art at the Brussels AEROPLASTICS art gallery A.5. DARWIN   Overview of the new Darwin exhibition at the American Museum of Natural History A.6. GUGGENHEIM   Introduction of David Smith, considered the greatest sculptor of the 20th century A.7. WHITNEY   Opening day for the Whitney Biennial