This coming Sunday, Gov. Edward G. Rendell will be all out for both the Philadelphia Eagles and the Pittsburgh Steelers in their NFL conference championship games. But if both teams happen to win, well, then it is all Eagles. Rendell told the New York Times that he has to be loyal. “If it costs me some political points, that’s life.” Rendell is a rabid Eagles fan, and is pretty sure that rabid Steelers fans would understand his Eagle loyalty. “The casual fans might be upset, but I don’t care,” he said. During World War II, the Steelers and the Eagles...