>> there is no perfect solution but there are marginal improvements. limit the size of magazines, that would have stopped shared loughner from killing as many people before he stopped to reload. make the background checks so it's not automatic that you get it if it's not completed in three days, that might have stopped dylann roof from having his guns. we have to do something. just because no solution is perfect doesn't mean there's nothing we should do. >> these aren't impulse killers. they're people who are sitting and stewing and i think amy's point is an important one. columbine created a cultural norm where if you're disturbed and disaffected you go out in a blaze of infamy. we need to disempower that norm. >> and give families tools that if they have one of these young men under their roofs that they are able to address it. >> i'm going to pause this debate because we'll never end it. it's one of those where everybody should admit they would be willing to put everything on the table. we'll be back with the rest here's a little healthy advice. take care of what makes you, you.