Five days after the Churchill Downs, Inc. (CDI) subsidiary that operates the advance-deposit wagering (ADW) platform TwinSpires sued the Michigan Gaming Control Board (MGCB) in federal court, claiming that the Interstate Horseracing Act (IHA) pre-empts a state law that ADW providers be linked to a licensed racetrack, the executive director of the MGCB sued TwinSpires, alleging that the ADW's "blatant defiance" of a suspension order "constitutes an imminent threat to the public health, safety and welfare." The dueling lawsuits stem from the fact that Michigan's law requiring ADWs to partner...