Texas laws allow teachers to carry guns on school grounds with little regulation
CBSN
Watch the CBS Reports documentary "Guns in the Classroom" in the video player above, or stream the premiere on Thursday, Nov. 17, at 8 p.m., 11 p.m. or 2 a.m. ET on the free CBS News app.
Since January, 50 people have been killed and 122 injured in at least 152 incidents of gunfire on school grounds across the U.S. To respond to the threat of such attacks, some districts — in at least 29 states that allow it — have taken the controversial step of authorizing school staff, other than security guards, to carry firearms on campus. Texas is one of those states.

We share our planet with maybe 10 million species of plants, animals, birds, fish, fungi and bugs. And to help identify them, millions of people are using a free phone app. "Currently we have about six million people using the platform every month," said Scott Loarie, the executive director of iNaturalist, a nonprofit.

At ski resorts across the West this winter, viral images showed chairlifts idling over brown terrain in places normally renowned for their frosty appeal. Iconic mountain towns like Aspen, Colorado, and Park City, Utah, were seen with shockingly bare slopes, as the region endured a historic snow drought that experts warn could bring water shortages and wildfires in the months ahead. In:











