The Nobel Prize-winning novelist's new book, 'Klara and the Sun,' is set in the future and has an artificially intelligent narrator. "I wanted some of that childlike freshness and openness and naivety to survive all the way through the text in her," he says. We talk about his writing process, hitchhiking in the '60s, and his family history in Nagasaki. Ken Tucker reviews Julien Baker's third studio album, 'Little Oblivions.'