There is so much at stake in a US Presidential race. One gaffe or the perfect quip in the debate just might be enough to determine the winner in one of those too close to call swing states. And if truth matters, everyone will have their hands full on Tuesday night fact checking a barrage of problematic or misleading claims. So why does the Trump-Harris debate matter to you? What will you be watching for? Todd Graham is a professor of debate at Southern Illinois University and an expert on the theatre of presidential debates. He joined us in addition to callers to see what he is going to be watching for as well.