Mealey's (December 17, 2018, 11:16 AM EST) -- DENVER — The 10th Circuit U.S. Court of Appeals on Dec. 14 affirmed the denial of an injunction sought by an Oklahoma Indian tribe to prevent another tribe from operating a casino after finding that the opposing tribe “is clearly unlikely to prevail on the merits” of its challenges to the federal government’s approvals for the casino (Comanche Nation of Oklahoma v. Ryan Zinke, et al., No. 17-6247, 10th Cir., 2018 U.S. App. LEXIS 35174)....