On this episode of Arts & Letters, we talk with Pulitzer Prize-winning author Robert Olen Butler about his many books informed by theories on desire, life's chance meetings and conscious decisions that inform sometimes unconscious occurrences in the world. A life in letters, the varied novels, the wildly inventive short stories, the radical pedagogy, please join us for a retrospective on his work thus far--Robert Olen Butler in his own words. “He notices him instantly, though the man is