in his book more guns less crime. >> guest: i am vaguely familiar with john lott.ohn lott is one of the heroes of the kind of second amendment school of individual rights. of guns, guns everywhere kind of deal of it being against gun safety regulations. as i had mentioned earlier, i have not been pro-gun anti-gun. what i have been as for reasonable gun safety laws sucho as there is no reason to have semi automatic weapons in the hands of civilians on our city streets that just does not make any sense. it's common sense about it andns not doctrinaire. it went in tennessee, text message. i agree with what i believe is your critique of art racist and violent society. but we h have create a collaterl parasitic layer of well compensated commentators and helpers. many of them as constant universities a critical foundation of the system, who appeared to be neutralized in subsumed efficiently by the dominant culture. comments? >> guest: okay. i thought i knew her that was headed and then it veered in another way. i think part of what you are laying out here is that there a

anderson: i am vaguely familiar with john lott. john lott is one of the heroes of the kind of second amendment school of individual rights, of guns, guns everywhere kind of deal, of being against gun safety regulations. as i had mentioned earlier, i haven't been pro-gun, anti-gun, but what i have been is for reasonable gun safety laws, such as there is no reason to have semiautomatic weapons in the hands of civilians on our city -- so it is being commonsense about it and not doctrinaire. host: david in tennessee, text message. "i agree with what i believe is your critique of our racist and violent society, but we have created a collateral, parasitic layer of well compensated, commentators and helpers, many of them ensconced in universities, a critical foundation of the system, who appeared to be neutralized by the dominant culture." comment? prof. anderson: ok. i thought i knew where that was headed, then it veered in another way. i think part of what you are laying out here is that there are scholars who feed on the kind of ills i

and john lott.t slide. -- and you learn a lot. >> we have been working off the planet for quite a while on this little tiny thing called the international space station. there's a great picture of russia who just came home on spacex crew-3, the commander. our crews up there right now, through four and their conducting science day and night 24/7, 365 days a year. we've been doing this since 2000 and everyday that i spent on the space station i look at it as walking on mars. that is why we're up there. were trying to make life better on earth and trying to expand humanity into our solar system. next slide. this makes me jealous. one of my classmates, kate, is summer in that photo, two time flag to the space station, microbiologist and we have are out in a european training session just a few months ago called pangaea where were going out and looking at all lunar geology, how we would sample rocks, how we would get lunar samples, retain them, cataloging for the scientists on earth. what we need to thin