mark begich was a democratic senator during sandy hook. he voted against those three gun safety measures after sandy hook and today he says he likely would have voted differently. he joins me this morning. i am deeply grateful for your time, sir. it's not often we hear people reflect and change positions in washington or even after they have served. i wonder, why now? why do you feel differently now? >> well, i think, you know, it's easy to look back in time and say what you could have done or would have done, but i think one thing is clear is the amount of these kind of mass shootings in any one single shooting is a tragedy, but i think ni don't think anyone would have predicted where we are today versus back in 2013. you know, we, as you just said, every one of those individuals that you mentioned bought their guns legally. and so the background check system still is not working. and so there is, you know, common denominators. one is mental health. one is the type of gun, as you described there. and we have to, as a society, take a diffe