Hour 2: When an unlikely event happens, the first thing we ask is, “What are the odds of that?” The truth is: Better than you think. We’ll talk this hour about how mathematics and rational thought can help us to understand these occurrences with statistician David J. Hand, author of The Improbability Principle: Why Coincidences, Miracles, and Rare Events Happen Every Day (Farrar, Straus and Giroux).