digital devices are pad for us, the epiphany i had, this aha moment was when i was looking at mary ann wolf's research, and she's also a neuroscientist that specializes in language. and at the beginning of her book she says she came to the sad realization that the human brain was never designed to read. it's something that we have to actually train our brains to do, so when you say that devices are bad for us and video games are bad for us and we should be reading books, our brains were never designed to do that either, so it's all creating this new form of story telling. >> host: you also look at the porn industry as a cutting-edge industry. >> guest: yeah. one of the things the porn industry has been at the forefront of a lot of technology since, you know, thousands and thousands of years. actually, i found from a friend who works at nature, the science magazine, that the porn industry was at the forefront of business back in the days of pompei selling statues in markets, erotic statues, of course. and, um, and the porn industry has always been an innovator when it comes to technology. and

about the interview with his ex-wife, mary ann, john king chose not really to argue with gingrich except to say this was a story first reported by abc and not cnn. wolf fought become. >> i think wolf called him on his, frankly, b.s. newt gingrich had made a charge. he gave a weenie answer about it's one thing to say it on a national tv show, but this is a debate where we talk about other issues. i think it resonated the way it did with voters and viewers because everybody knows the mouthy kick who pops off on the playground, and someone shows up and it turned tail. it looked like that. i don't think it's quite up there with ronald reagan's microphone moment, but i think wolf blitzer pushed it, and romney called him on his b.s. and said you are saying all this stuff behind my back in effect, so say it to my face, and that's why it was an effective moment and why it resonated the way it did. >> it's been replayed endlessly on television, jackie kucinich, but even though this makes a big splash in the media, how important are these moments? wolf is not running for anything. >> i do think they're important because voters -- one of gingrich's biggest thin

wolf? dan loathian on scene for us. in the next hour we'll speak live with three of jon huntsman's daughters. liddy, abbie and mary annehill. senator, always good to have you. let's talk politics for a little while. these pro newt gingrich super pacs if you saw a report from south carolina, they are going after mitt romney with a vengeance right now. i'm going to play a little clip for you. it's getting really, really ugly. republican on republican. watch this. >> mitt romney became ceo of bain capital the day the company was formed. his mission, to reap passive rewards for himself and his investors. >> they don't care who i am. >> he's for small businesses. >> no he isn't. he's not. >> and that hurts so bad to leave my home because of one man that's got 15 homes. >> wow. that's pretty puff. if you turn on a tv station in south carolina you're seeing that all the time right now. senator, what do you think about that? >> well, i think it's part of it is symptom @ic of primaries which are always tough. sometimes even more personal in the attacks than the general election are. but it's also, wolf, and you and i have discu