Then explain to me why Chicago's....

This is why i call this discussion stupidity at its maximum. No one should even be discussing this and you obviously are just repeating dumbass arguments you picked up from one side...

Does Illinois have a hard border with Indiana or Wisconsin? lol.

Let me ask you something that you can understand as a right winger.

If you opened the border with Mexico completely and anyone could get in.... How many more hundreds of thousands of immigrants would you be getting more per year?
Now apply that logic to guns and your Chicago question.

Reducing gun availability goes a long way towards reducing mass shootings. Thats simply common sense.

Thats what i said and your answer to that is: "As for your "simply common sense" remark: the vast, heavily-statistically significant majority of gun-related deaths and homicides in the US are committed with a handgun."

How is what you said in any way related to my common sense argument?

The USA is unique in that the right to bare arms is enshrined in our founding documents, in the Constitution.

Change it. Its a fucking document someone wrote few hundred years ago when they thought keeping slaves was a good idea.
"Founding fathers!" You guys love talking about them as if they were saints. Some of them probably had gonorrhea for sleeping with prostitutes, others kept slaves. Theyre just people that had no idea what the future would hold when they wrote that, let alone that the US can kill people on the other side of the world at a press of a button.

The 2nd Amendment was made to ensure that the public has the means to defend its freedom and private property were the Government to ever go usurpatious.

You gonna defend against a Tomahawk missile? How about a Drone strike? A tank? An F16?

You just like guns. Its as simple as that. Theres no deeper reason to it and youre more then happy to let hundreds of people die as long as you can find your justification as to why you should be allowed to keep what ever gun you want.
As long as theres a justification. I mean people do it all the time. People will find justification for every fucking thing. Nazis had their justification for killing jews. Americans had their justifications for keeping slaves.

People are generally idiots and are more likely to shoot themselves in the head if they own a gun then anyone else.

But honestly mass shootings are good tv, good for ratings. Outrage sells.
You just cant bring the lifes lost back.