'Strange things happen in this world," Haruki Murakami says. "You don't know why, but they happen." It could be a guiding motto for all of his fiction, but he is talking specifically about a minor character in his new novel, Colorless Tsukuru Tazaki and His Years of Pilgrimage. The character is a jazz pianist who seems to have made a pact with death, and is able to see people's auras. "Why that pi