In a state where more than 60 gaming tribes have a monopoly on casino gambling and possess war chests that commercial operators have now learned are bottomless, California’s tribes appear to have killed a mobile sports betting proposition brought by seven industry leaders, including BetMGM, DraftKings, and FanDuel. By the time the California polls close Tuesday night, it appears the state’s most powerful tribes will be out $236 million and will have gotten what they wanted: the status quo.