I assume the vast majority of you don't live in the states, right? I can't say I've recently seen a more anti-gun sentiment than what I see in this thread.
I, for the record, despise ideas like this. I also despise most forms of gun control. Sure, I don't think that just anyone should be allowed to go to the local gun shop and buy a fully automatic Tommy gun or something, but I also believe that almost anyone should be allowed to go buy a 9 mm pistol if they want, with the proper training. I don't think repeat firearms offenders should be allowed to own a gun unless they have proven beyond a doubt that they have reformed.
I agree with Karajorma that this sure as hell won't solve Dallas' problems. It'll just make the perps use real guns now. However, banning the real guns also won't solve the problem. It's been proven here that all bans do is take the guns from lawful owners. Someone wanting to use a gun for illegal purposes can still get it through other means. Disarming the public simply makes it easier for the criminals to have their way.
Also, a little known fact that is usually ignored or covered up by media is that about 85% of all violent crimes in America do not involve guns. Most of them use blunt instruments or blades, not guns. It's just the guns that get the attention.
BTW, I not only am pro-gun, I have a CCL (Concealed Carry License). My gun provides me with extra piece of mind, should I ever find myself in a situation where I feel I need it. I knew a couple that were killed in a random carjacking. They stopped at a light, two men approached the car, busted a window with a jack handel, and dragged both my friends from the car, then proceded to beat them to death. The men did not steal anything except the car, which was then left a few blocks away. No motive, no reason for the attack, except maybe to joyride in the car for a few minutes. Both my friends were licensed CCW holders, but since they were travelling in a state that did not recognise this, they had to leave their guns in the trunk with the ammo in the glove box. If they had been allowed to carry their guns, they might both be alive today. This is just one example of why I am an avid opponent of heavy gun control.
This is just my view of the situation. It may not agree with some of your views, but it's the way I see it.