which is itself very complicated but comes prominently into play. another young man who clearly was deeply disturbed and should not have had firearms. but how do we get at that? >> dan, let me pick up at that. there are some saying there needs to be a new national approach to the issue of guns not to ban them but in some cases a new approach to try to deal with this as a public health issue and put different measures and restrictions. is that a plausible approach? >> it might. president question you posed to nan, the reason there is that he road block is because of fear of the nra. it's pretty simple and there's an asymmetrical war going on, a small minority of gun owners who exert a lot of power because they vote, they get money, they organize, and great mass of people outraged by this don't enxwane engage on the issue there's any sense of accountability for members of congress. you have an 80/20 split on background checks, expanding background checks, 80% of people, majority of nra members