NBC Nightly News //Dec. 22, 2012 // 6:37 PM
Visit NBCNews.com for breaking news, world news, and news about the economy
In the wake of the Newton shootings, school districts across the country are hiring armed guards to patrol the hallways of their schools. Meanwhile, in Harrold, Texas, teachers are encouraged to carry concealed handguns. NBC’s Charles Hadlock reports.
