Ahh but Simon, that "right to bare arms" rule exists here as well you know. Its just that we need to go to the right dodgy venue to obtain guns'n'shit.
Go to the right place in the city where I live (Birmingham) and you can get pretty much anything you want for the right price.
Its a global problem.
If there were a way to take down a man easily who is armed, without being armed yourself then I'd like to know how. I can understand frightened people buying a nice little side arm.
Taking guns away from Joe Public seems like a great idea on one hand - you remove more guns from society, but on the other - you make the innocent more vulnerable to attack or intimidation. I'm sure its very empowering to have a gun when threatened in your own home.
Its a complex issue that forum sound bites cannot solve.