The United States Supreme Court will not hear a challenge to the Horse Racing Safety and Integrity Act (HISA) filed by Oklahoma, Louisiana and West Virginia after the Sixth Court Circuit's Court of Appeals found that HISA is constitutional, according to an announcement from the Supreme Court Monday. "Certiorari denied," was the only statement coming from the court regarding the ruling, which was included among a monthly list of numerous other writ approvals and denials that the Supreme Court made public in batch format June 24. A writ of certiorari...