As gun debate roils on, teachers in this Texas school are already armed
(LA Times Clippers)

In the days since a 19-year-old gunman stormed onto his former high school campus in Parkland, Fla., killing 17 people with an AR-15 assault rifle, the nation has been embroiled in a debate over what to do about school violence: How do you make it stop? Here at Argyle High School, they already...