A 2 1/2-year-old legal fight led by the National Horsemen's Benevolent and Protective Association (NHBPA) to try and overturn the Horseracing Integrity and Safety Act (HISA) based on alleged constitutional flaws got distilled into one hour of oral arguments on Wednesday in the case's second go-round before the United States Court of Appeals for the Fifth Circuit in New Orleans. As expected, lawyers for the two sides stuck to the finer points of constitutionality law, and there were only several passing references related to horse racing. The arguments centered on...