The Arkansas-based lawsuit filed six weeks ago that is the most recent among five separate federal complaints attempting to derail the Horseracing Integrity and Safety Act (HISA) via alleged constitutionality claims was broadly rebuffed Monday in separate legal filings by the defendants in the case, who are executives with the HISA Authority and the Federal Trade Commission (FTC). The plaintiffs, led by Bill Walmsley, president of the Arkansas Horsemen's Benevolent and Protective Association (HBPA), and Jon Moss, the executive director of the Iowa HBPA, had asked a judge in United...