In the days leading up to and after Christmas, parties on both sides of the pending class-action lawsuit involving computer-assisted wagering (CAW) have sparred in federal court over whether allegations that the nation's biggest racetracks have conspired with "insider" high-volume bettors to rig pari-mutuel pools at the expense of average horseplayers constitute valid claims under the Racketeer Influenced and Corrupt Organizations Act (RICO). The defendants in the lawsuit-which include The Stronach Group (TSG), Churchill Downs, Inc. (CDI), the New York Racing Association (NYRA), AmTote International, United Tote and Elite Turf...