Novelist Jan Karon has written 25 bestsellers, including 15 about a make-believe mountain village, Mitford – stories in which the humanity of her characters is evoked in what she calls “a place of refuge.” Karon talks with Faith Salie about discovering her voice as a writer at a very young age; the comforting qualities of her stories; and how the death of her daughter, Candace, led to her latest Mitford book, “My Beloved.”