think that we have to address this issue, realize it s an issue, and then consider what are we going to do about it. and that is where we are. so dr. begg, you ve been on the receiving end of these conspiracy theories about newtown and threats? yes. what do they say to you? well, it s insidious, because when you try to be an advocate from my point of view about the public health issue of gun violence, you re willing to speak to people. but then the conversation morphs. in my situation, what did you see in the emergency room, what did the bodies look like? and when i point out that social decorum suggests you don t speak about that, then the conversation goes in the wrong direction. then videos surface with the hoaxsters saying this is the e.r. doctor, he was there that day, but it didn t really happen because he can t describe what happened. so people online try to engage, then say you re lying, and you, natural, i assume, human instinct to try to defend yourself. worse tha