in time. all of them will pass in time. yes, david? >> but isn't part of the problem that gun control advocates are not winning these arguments on merits in the way that can move the dialogue. one thing to assert it's a mat of common sense that you don't need what are called assault rifles but something else to point to tangible evidence that the assault weapons ban accomplished the goal. >> define winning. you got 90% of americans supporting the position that we should have background checks against criminals, against rapists and murderers and against the mentally ill and 85% of people who own guns supporting the proposition that you should have background checks on rapists and on murderers and on people that are convicted on criminals, on mental -- and you can even look at assault weapon bans and look