You may know that George Rogers Clark took Fort Sackville in Vincennes, Indiana, from the British in a daring siege. But why should we care? How would history be different if he hadn't? What you may not know is that he later expatriated himself and dared a second revolutionary act that also could have changed history and the U.S. map . . . possibly to this day. In this episode of Talking Hoosier History we ask... WHAT IF?