A mystery hidden in time. Wrapped in gold. Stowed secretly in Lincoln's pocket. We dig into the family story of a secret message etched inside Abraham Lincoln's pocket watch. Is this a tall tale or a hidden piece of history waiting to be discovered? Join us as we dive into this incredible tale of family lore, historical detective work, and the Smithsonian's decision to open a priceless artifact.  Guests: Lisa Kathleen Graddy, curator of American political history at the Smithsonian's National Museum of American HistoryHarry Rubenstein, curator emeritus in the Division of Political History at the Smithsonian's National Museum of American HistoryDoug Stiles, great-great-grandson of watchmaker Jonathan Dillon