>> two points. one, in the last ten years, study after study that has come out. this is an issue debated all the time. the thing that people pro and con find themselves on opposite sides. when people look at these studies, look at the evidence, for instance, cass sustein, said, boy, looking at these studies that say indeed there is a deterrent fak to maybe those possessed need to do some rethinking of our views, beyond all of that, as somebody who does support capital punishment, i -- my view isn't determined by whether or not it has a deterrent effect and anybody strongly opposed, even if you could prove to them it has a total deterrent effect it may not change nothing at all. if it's a moral issue, which i think for most of us on both both sides of the issue, it is. arguing about the practical effect, that's secondary. it's the moral issue comes