@spendius,
Talking about The Guardian (a male reporter, mind you, Spendius), I found there a map about gun ownership and gun homicides rates.
Looking at it the US doesn't rank that bad.
The US has by far the highest gun ownership rate in the world - an average of 88 per 100 people. Even the number two country, Yemen, has significantly fewer - 54.8 per 100 people.
But the US does not have the worst firearm murder rate - that prize belongs to Honduras, El Salvador and Jamaica. In fact, the US is number 28, with a rate of 2.97 per 100,000 people.
Of course, it could do better, Switzerland ranks number 3 in gun ownership, with 45.7 firearms per 100 people and has a rate of 0.77 gun related murders per 100,000 inhabitants; about one fourth of the US. But, as a whole, you could say Americans handle their guns responsibly.
The question, I believe, is not about gun possession, but about the kind of weapons Americans can easily buy. Assault weapons with hundreds of rounds, machine-guns for Christmas with a discount.
Assault weapons are behind the mass-murders in the US. And on this kind of massacres the US stands on first place. By far.
It's not the quantity of firearms; it's their quality.
I thought the 2nd amendment's "right to bear arms" was applied to weapons that were not specifically designed for military use. Dumb Mexican me.