After reading Charles Leerhsen's excellent biography of baseball player Ty Cobb, it's clear that each of us is responsible for making sure that misinformation and lies do not go unanswered. For decades, Ty Cobb was maligned as a venomous "racist," a murderer, a dirty player, and everything in between. It turns out that these stories were wholesale fabrications. But Cobb should have done more to stop the misinformation from achieving such currency. We discuss.