While some people feel that this has been a derail from the OP topic, I tend to disagree. I think the last couple of pages and the perspective that Truethat provides gives us a glimpse into why the gun crime situation is not going to get solved any time soon.
A lot of Americans are fed a patriotic diet from birth, that the US is exceptionally different from other countries in a good way. That the freedoms, opportunities, lifestyle etc. are unique to US. When a lot of the citizens don't travel much out of the country and see the world for what it is, they come to believe what they are told at every turn.
As such, when discussing gun crime they tend to turn to American Exceptionalism. Arguments such as 'You need to make sacrifices to maintain the level of freedom the US has', 'Our gun crime problem is completely unique since we are a unique nation', 'Our growth is dependent on our freedoms. Take away one freedom and then where do we go from there?' ad nauseum. As long as citizens of the US remain firm on their belief that the US is singularly unique, I'm not sure how much can change.