utm_medium=10today.0121&position=5&part=s l&chi na_variant= False> The Metropolitan Museum of Art's big, new move into 20th-century art—propelled by Leonard Lauder's recent $1 billion gift of 81 Cubist masterpieces—is altering th... read more <http://cdn.flipboard.com/email/assets/smartlink/ws/prod/v19.html?lang