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>> but the nra sees this as a potential form of gun control. new jersey already requires gun retailers to sell smart guns, a development gun activists find alarming. met le bring in marco hirsch, the president of the smart tech challenges foundation, everything from biometrics to radiofrequency identification tags and mechanical locks. margo, good to see you. >> nice to see you, brooke. >> explain to me how a smart gun would work. >> yes. a smart gun is essentially a personalized gun. it has a type of user authentication technology that only allows an authorized user to fire it. so that type o...

john edward probably couldn't help himself and gone off and talked about things, such a good spokesperson, gift of gab, he can talk well, great trial lawyer, it had to be hard as could be for him to not say a word. probably the right choice. if you catch somebody in a lie, even unintentional lie, it shoeses him. he didn't get himself a chance to get hung on his own words. >> who made the smarter case, prosecution or defense? >> the prosecution did everything they had to do. the real question is who is on the jury, we don't know everyone's personal biases, do they want to convict some...