Julia, yeah.. lets look at a very specific demographics that's convenient to prove your point...
We are WAY off-topic.. but let me ask you a specific question..
You have 2 neighbors, one has a gun at home, another one has a swimming pool. You also have a 5yo child.
Everything else being equal, which house is it safer for your child to go to?
The point ( for US ) is.. there are so many guns out there right now, making them illegal will not change anything. bad guys will still get them

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Человек, который почувствовал ветер перемен, должен построить не щит от ветра, а ветряную мельницу