If we believe that soccer could stand some improvement with a few changes here and there to the laws of the game, how would we go about testing new proposals? The ingenious system of federalism in the United States allows us, within certain limits, to wander into any willing laboratory to experiment with new regulations without heaving the whole system into chaos. The big challenge with sports, of course, is that unlike, say, parking meter policy, the playing and viewing public has a greater desire for uniformity. If we are to have a grand finale to determine the world champion at anything, presumably the world needs to play by the same rules.
On the other hand, different systems of baseball in the National and American Leagues haven