I agree with that, Goodah. What I think needs to change at this point is how accessible they are in certain areas. I hate to be negative, but ultimately, whatever happens - if somebody is crazy and determined enough, they'll get their hands on a firearm. But there are higher measures that we can take to make it harder for them.
That being said, it's unnecessary to have such big, excessive guns. It's just not. You can protect yourself with a handgun. I respect the right to your own personal security, it's not for me, but I realize that for many people it's a huge deal. I grew up in a different environment, although simply over the border, things are in fact a lot different in Vancouver and most of Canada in comparison to the United States, so to me, the whole "must have the right to bare arms" just doesn't apply.
I said before, I think, that only authorities should be allowed guns, and in all honesty, that's my fantasy world - but obviously, that's not going to happen in the US. That's not realistic, whatsoever. You have a right, and so you should have it, but there should be some limitations.