The Supreme Court of the United States (SCOTUS) on Monday granted a stay that will prevent the U.S. Court of Appeals for the Fifth Circuit from issuing a mandate stemming from a recent Fifth Circuit opinion that the Horseracing and Safety Integrity Act (HISA)'s enforcement mechanism is unconstitutional. The stay is to be in effect pending a decision by the Supreme Court as to whether it will take up the larger issue of whether those enforcement provisions are unconstitutional under the private nondelegation doctrine, which is a basic principle of...