Jon Stewart's plea for gun control
At the end of the day, a "Gun Ban" on Assault Rifles was already tried. The FBI stated to Congress it had zero effect on crime/homocide rates during the effective time-frame.
The only thing ANOTHER gun ban accomplishes is taking said weaponry out of the hands of the good/law-abiding citizen (they'll be the only ones giving them up/not purchasing them). Those who mean harm will still utilize whatever means they feel necessary to accomplish their objective (i.e. use an Assault Rifle). When you strip all the conjecture and hyperbole...this fact remains; glaring.