"We shouldn't call winners or losers immediately after a debate, " said KathleenHall Jamieson, dean of the Annenberg School for Communication at the University of Pennsylvania.
In my reporting for the story, the closest I came to a system of determining worse and better on the candidate level came from KathleenHall Jamieson, a professor at the Annenberg Public Policy Center, who has pioneered much of the academic work on deception in presidential campaigns.