The United States Court of Appeals for the Sixth Circuit ruled Thursday that it will not grant a full-court rehearing to the losing plaintiffs who contested a three-judge panel's Mar. 3 decision to uphold the constitutionality of the Horse Racing Integrity and Safety Act (HISA). The case is one of five anti-HISA constitutionality lawsuits currently active in the federal court system. Led by the states of Oklahoma, West Virginia and Louisiana, the plaintiffs collectively petitioned Apr. 17 for a rarely granted "en banc" procedure that asked for a rehearing before...