Back to school: it’s not just kids returning to campus, but armed employees. We’ll take you behind the scenes of the effort to train and arm in-school defenders against future shootings. Also, talking machines: San Antonio researchers using machine learning to help Texans who stutter. And an historic road trip with the Green Book as a guide. Texas monthly’s barbecue editor on the search for cue in the Jim Crow south. Also the cub reporter in Houston who saved lives during a hurricane by changing how we see those storms on TV. Heard of him? All those stories and more today on the Texas Standard: