Yes, a lot of us have skills we may not want to practice anymore for fear of hurting someone or ourselves. But we still have a lot to offer. Plus podnuggets about aging surgeons, intensive grandparenting, a very enterprising root-beer sales-boy, hungry food-delivery services, and facts about going barefoot. Our Old Dogs Interview is with Robert Flatt, an exceptional nature photographer made more exceptional by the fact that he's living with Parkinson's Disease.