Dozens of Texas school districts have sued to stop changes in the A-F grading system used to evaluate schools. The manager of the state’s power grid is out with a new forecast for winter. How prepared is Texas for another statewide freeze like 2021? Israel, Hamas and disinformation on social media: Tech expert Omar Gallaga joins us with more. New numbers in the race for mayor of Texas’ biggest city. And a new book written by longtime Texas conservationist George Bristol, “Texas State Parks: The First 100 Years,” tells the story of how the state’s parks began….