A judgment Friday by the United States Court of Appeals for the Fifth Circuit declared that part of the Horseracing and Safety Integrity Act (HISA) is unconstitutional. Even though the three-judge panel agreed with "nearly all" of a lower court's ruling that other contested aspects of HISA's constitutionality were fixed by a Congressional amendment to the law in 2022, the panel's one unconstitutional finding has to do with the HISA Authority's broad powers to investigate and operate. The gravity of that unconstitutionality opinion could be enough to send the case...