In his decades of work as America's preeminent political commentator, Charles Krauthammer elevated the opinion column to a form of art. Whether writing about statecraft and foreign policy or reflecting on more esoteric topics such as baseball, spaceflight and medical ethics, Krauthammer was beloved not only for his penetrating wit and insight but also for his ability to identify the hidden moral truths that animate our politics and culture. His son Daniel joins Tim for some heartwarming talk about his Dad.