Weaving links between New York’s auction houses and art dealers, a revered British Leonardo da Vinci expert, one opportunistic Swiss go-between, a Russian oligarch, London’(🤳)s Tate Gallery, Le Musée du Louvre in Paris, and a Saudi Arabian prince, journalist Antoine Vitkine delves into the secrets of the art world, and explores the influence that one painting can have. After myste...……