Mealey's (February 7, 2018, 2:01 PM EST) -- DENVER — The 10th Circuit U.S. Court of Appeals on Feb. 6 directed a federal court to vacate an arbitration award in favor of an Oklahoma Indian tribe on its challenge to the state’s bid to collect sales tax on drinks sold at the tribe’s casino, after finding that the arbitration provision in the gaming compact with the state is unenforceable (Citizen Potawatomi Nation v. State of Oklahoma, No. 16-6224, 10th Cir., 2018 U.S. App. LEXIS 2867)....