The July 5 opinion out of the United States Court of Appeals for the Fifth Circuit that declared that part of the Horseracing Integrity and Safety Act (HISA) is unconstitutional is generating legal filings from both sides in a related case awaiting a decision in the Eighth Circuit. Both the plaintiffs/appellants in the Eighth Circuit case (led by Bill Walmsley, the president of the Arkansas HBPA, and Jon Moss, the executive director of the Iowa HBPA) and the defendants/appellees (executives with the HISA Authority and the Federal Trade Commission [FTC]),...