is almostl like, this making a commercial for people that have a problem wasting money, endangering themselves. horrificun idea is so with all the guns out there with people being enticed and pushed people.ng harm to other that is all i got to say. host: anything you want to cap on that? certainly, like any other form of technology, it can be abused by bad actors. at that aware of a kc has involved a 3-d printed gun, any sort of crime, it is not something i have seen happen yet. host: rockville, maryland, opposed. go ahead. caller: i oppose a 3-d gun because we have to many guns now on the street. that we can't get check through the black market and things of that nature. i agree with a couple of colors before that most times these things kind of exploding your have a conceptou a safetying a gun, issue with the firearm itself, i think it is ridiculous to have something like that even for the public. if it were very cheap, a lot of folks out would be making the guns. guest: it is certainly not something for everyone. i would say. 3-d printing even beyond guns is really something for enthusiasts

beamned and the democr establishment be damned the last six primaries that happen for republicans, almostll he republican establ have gone down. you ha these activistsutside the business types. the democrats are going left and the republics are being disrup here that ends up favors the democr going the selection. there a lot of motivation. >> you saw that this she sold out her fund-raisers the excitement and the energy, ifhe can energize the young voters that's a good thing for thecratic party. >> the designation by 7 percen points favoring the democr that means prably if the trends continue, the republicans lose minimum 25 seats and upward of 52 seats. it's a problem. >> a full week of lots iofues to discuss. thanks all of you. we will leave it there. shawn walsh and senior writer karla and bureau chief jeremy ow ns. aeasure to have you. >> thank you very much. >> to immnration , president trump threatened to shut the govern down if democrats don't approve funding for the wallalong theus-mexico border. 30-foo prototypes have been built and tested. we will he fm a u.s. customs and patrol ag

rearchers almostll agree human activity is causing the warmh to and they cite this summer as evidence. >> this year willbvusly go down in the record books as a ravaging summer of heat. the earth seems lik it's literally on fire. >> reporter: professor kim cobb spent the year measuhe effect of climate change on coral reefs. it surprises seasoned scientistsor >> this is a i thought may be ten or more years off. it's kot that i didn'w this kind of thing was coming. r's that i didn't think it was going to comeht now. so it is a k.shoc it is a shock frankly. i really t ught we had more time. >> reporter: without tighter rules and emissions, cobbo expects t see the earth's climate get even hotter, raising the stakes along with the temperature. matt bradley, nbc news. >> we can't say we didn't see it coming. >> n >> the signs have been around a long, long time now. bill karins? >> it's pretty crazy. i hope you saw it, glacier national park dit 1rees the first time ever in the last few days when they had the heat wave in the northwest. records go back to 1943. 70, 80-year period. still, glaci

is almostl like, this making a commercial for people that have a problem wasting money, endangering themselvesrrificun idea is so with all the guns out there with people being enticed and pushed people.ng harm to other that is all i got to say. host: anything you want to cap on that? certainly, like any other form of technology, it can be abused by bad actors. at that aware of a kc has involved a 3-d printed gun, any sort of crime, it is not something i have seen happen yet. host: rockville, maryland, opposed. go ahead. caller: i oppose a 3-d gun because we have to many guns now on the street. that we can't get check through the black market and things of that nature. i agree with a couple of colors before that most times these things kind of exploding your have a conceptou a safetying a gun, issue with the firearm itself, i think it is ridiculous to have something like that even for the public. if it were very cheap, a lot of folks out would be making the guns. guest: it is certainly not something for everyone. i would say. 3-d printing even beyond guns is really something for enthusiasts. it