across country at the same time, there were groups of hundreds of people every day all over the country playing this game outside. shannon: it soon took hold on capitol hill. how did this whole thing get started anyway. >> weal -- well, we're always looking for a way to get active and find a way for members to come together. shannon: do you discuss things here? is it a chance to get your aggression out? >> well, we razz each other, that's a good thing. shannon: this bipartisan group of lawmakers admits they've learned a lot about one another and built bonds that carry over off the courts. >> it builds some positive energy, let's put it that a way. >> and there's also a certain level of humanity -- hue humility has absolutely required, because in the course of an hour, awe all of us are going to do something silly. >> sports has a way of being the great equalizer. >> there you go. shannon: and despite the competitive desire to crush their opponents, these lawmakers say the caucus really is about forging relationships. >> you serve. shannon: connections that have