America's love affair with these weapons cuts across the political divide, and—though interpretation of the constitution on this point is a matter of hot and eternal dispute—the "constitutional right" to bear arms has, for many, an argument-ending inalienability. ... To my knowledge, no one is suggesting that high school students should be allowed to carry guns for protection, but this latest incident will – counter-intuitively, perhaps—bolster lobbying groups calling for the legalisation of concealed handguns on college campuses.