Guest host Aviva DeKornfeld tells Ira Glass about breaking into a community pool as a kid, and the split-second decision that has haunted her ever since. Comedian Mike Birbiglia talks about the questions his daughter asks him and how trying to answer them showed him surprising reflections of himself. Scharlette Holdman's story continues, in which she and the rest of a legaldefense team try to save a man on death row by finding a star witness — achicken with a specific skill.