Judge Steven Colloton

The United States Court of Appeals for the Eighth Circuit on Friday affirmed a ruling out of a lower federal court in Arkansas that had denied a preliminary injunction sought by horsemen in Arkansas and Iowa to halt the Horseracing Integrity and Safety Act (HISA) and its Anti-Doping and Medication Control (ADMC) program. Chief Judge Steven Colloton took the lead in authoring the opinion for the three-judge panel, writing that the plaintiffs/appellants have "not established a fair chance of success on the merits, so the district court did not abuse...