Four Questions #1: Why is tonight different...? 1999 60" x 30" (153cm x 76.5cm), diptych, oil/wood, sandblasted glass, bolts After Piero Della Francesca, Portrait of Guidobaldo Montefeltro (?), c. 1483, Thyssen-Bornemisza Museum, Madrid Text: Why is tonight different from all other nights?