“Mr. Carter’s influence and stature in the magazine and entertainment world is so great that to call his exit a changing of the guard seems insufficient: This is more of a regal passage. One of the few remaining celebrity editors, Mr. Carter — famous for his double-breasted suits, white flowing hair and a seven-figure salary — is a party host, literary patron, film producer and restaurateur who presides over a monthly publication that can still break news in a round-the-clock media age.”