Miles J. Unger writes on art, books, and culture for The Economist. Formerly the managing editor of Art New England, he was a contributing writer to The New York Times. He is the author of Picasso and the Painting That Shocked the World; The Watercolors of Winslow Homer; Magnifico: The Brilliant Life and Violent Times of Lorenzo de’ Medici; Machiavelli: A Biography; and Michelangelo: A Life in Six Masterpieces. Visit MilesJunger.com.