A case of friendly fire? More than 50 US diplomats sign a memo of dissent demanding a shift in Syria. Also teachers face police in a standoff on a highway. The result? 6 teachers killed in Oaxaca. We’ll hear what’s behind the protests. Plus an offer to the LGBT community in Houston takes an unexpected twist as hundreds sign up for gun classes. Also one of the most famous names in Texas retail —on the ropes? Plus—more than a dozen police officers on mandatory leave as a department investigates false reports of traffic stops. The officers blame a culture of quotas. All those stories and lots more today on the Texas Standard: