In Thursday's Wall Street Journal, the editorial board weighed in on the Horse Racing Safety and Integrity Act, with the traditionally conservative newspaper praising the current Supreme Court's "vital work policing the Constitution's separation of powers." "It soon may get another chance in a case over whether a private horse-racing authority can deploy regulatory powers usually reserved for the federal government," they write. "HISA was shepherded by Kentucky Sen. Mitch McConnell, and anyone who follows the racing industry knows the Minority Leader's interest in creating national standards for safety and...