dr. mark rosenburg, president and director of the fasks for task force for human health, he led the gun violent research no. it was defunded in the 1990s. after newtown, about gun violence now he's completely changed his tune and as i just said, he's talking about the president wanting gun grabbing initiatives. what do you say to him? >> what's so threatening about doing research? we research everything, as researchers can point out. alone are we with gun safety research in that they are initiatives to prohibit. i would say no area should be so wall off that we can't research and find cures and solutions. i thought after sandy hook that there would be a lot of pro-gun safety, that the background checks would pass. but research, we need it in order to build a case. and the amount of gun violence in our world is staggering. 33,000 people a year die from gun violence. 32,000 people a year, 91,000 children under the able of 12 were killed by gun violence. why not? way to see if background checks work if safety locks work. >> policy isn't set without research to back it up. >> you need data to progr