and we are back with tom friedman, david frum and leah libresco. you wrote an article that went viral in "the washington post" titled "i used to think gun control was the answer. my research told me otherwise." quickly summarize what you meant? >> when i started looking much more deeply at proposals on gun control what i found is some gun control proposals are incoherent. we saw both hillary clinton and kaine this week praise limiting silencers as a response to a las vegas shooting when silencers, you know, are badly named. they don't make guns silent, they make them slightly quieter but noisy. this is the thing i repeated hearing this praise, hearing assault weapons ban praised when assault weapons are just a gun that has too many features snapped on like lego bricks at point of sale, once you take it home you can add them back on yourself. so those kinds of policies are just often incoherent posed by someone who doesn't know anything about guns and they