At face value, the state’s largest casinos won a huge victory when the Public Utilities Commission on Wednesday allowed them to exit their contracts with NV Energy, the state’s largest power provider. But for Wynn Las Vegas, MGM Resorts International and Las Vegas Sands, the decision is a mandate to stay put. "We are disappointed that the PUC has failed to implement (the law) as intended by the Legislature and are reviewing our options,” Michael Weaver, Wynn spokesman, said after ...