how do we stop that? >> well, i think mr. smerconish who was on earlier made a good point. look, we have information out there. you have to register to get a driver's license and drive a car. if you're going to get a security clearance and a firearm, at least there should be some reasonable regulations. and of the kind that president reagan pushed back when he was president could not get passed today. so magazine size is important. and semiautomatic handguns. we tend to concentrate on ar-15s and that sort of thing. even among the mass killings, semiautomatic handguns are the most common. i think reasonable regulation and addressing mental illness, some waiting periods could do a lot. but let's remember that even as murders and violent crime has declined over the last 20 years, almost half, mass murders have not. that tells there's something very wrong here. >> the sick thing here -- i