Communities like Aurora , Columbine , Newtown on front line of gun control debate . Comment: Gun controls have been tightened across globe after massacres such as Dunblane . Wave of public revulsion against Port Arthur massacre led to stricter controls in Australia .
Communities like Aurora , Columbine , Newtown on front line of gun control debate . The right to bear arms is enshrined in the constitution of the United States . Gun controls have been tightened across globe after massacres such as Dunblane . Wave of public revulsion against Port Arthur massacre led to stricter controls in Australia .