her brother Jock—John Hay Whitney—once decided to go into producing movies as a sideline. In 1938 he boarded a plane in New York that was taking him to California. Under his arm were the galley proofs of a book by a woman named Margaret Mitchell. It was about the South in the Civil War. It already had been turned down by Samuel Goldwyn, who sniffed, “Who needs a movie about the Civil War? And the losers in it already?”