Six weeks after the United States Court of Appeals for the Sixth Circuit upheld the constitutionality of the Horse Racing Integrity and Safety Act (HISA), the losing plaintiffs/appellants in a case led by the states of Oklahoma, West Virginia and Louisiana have petitioned for a rarely granted "en banc" procedure that asks for a rehearing before all 28 of that court's judges instead of just the panel of three that issued the Mar. 3 decision. "A panel of this Court [held] that the [HISA] Authority's ability to issue federal regulations...