A playful room-by-room "bird-watching" guide to the Albert C. Barnes galleries. Rumor has it that Dr. Barnes put a bird in every room of his famed collection. But is this really true, and if so, why? The Barnes Foundation collection offers an astounding array of art, focusing on post-impressionist and early modern masters: Renoir, C zanne, Picasso, and Matisse. However, interspersed among these notable greats is a different kind of collection that...