State Superintendent Updates History Standards To Include Gulf Of AmericaOklahoma Legislation Would Help Property Owners Fight Green Energy EffortsCharges Dropped Against OKC Police OfficerDouble Homicide Under Investigation In Granite, OklahomaOklahoma City Plans Improvements To More Than 100 ParksLIVE COVERAGE: Trump's Presidential InaugurationOKC Will Rogers International Airport Sees Growing Passenger NumbersLegislature Considers Bill Making Some Non-Profits Exempt From Sales TaxesState Corporation Commission Approves PSO Rate HikeWalters Sues Feds Over Border Policy Costs To Oklahoma SchoolsVehicle Smoking Legislation FiledPetition Asks For Grand Jury Probe Into Department of Human Resources