Armed guards in schools? Columbine had one via @io9 http://gawker.com/5970539/columbine-had-an-armed-security-guard-on-duty-and-the-nra-is-dumb …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Armed guards in schools? Columbine had one via @io9 http://gawker.com/5970539/columbine-had-an-armed-security-guard-on-duty-and-the-nra-is-dumb …