"From Daniel H. Pink, the #1 New York Times-bestselling author of When and Drive, a new book about the transforming power of that crucial and misunderstood emotion, regret. "Regret is not dangerous or abnormal, it is healthy and universal, an integral part of being human," Daniel H. Pink writes in his provocative and eye-opening new book. "Done right, it needn't bring us down; it can lift us up." Drawing from new research in social psychology, neuroscience,...