gina carbone. guest: first, i wish you good luck and i hope that you are in the care of a good doctor. regarding the responsibility of the parents, sure, parents have to educate their children and look after what they are doing. but one we live in a society where the marijuana industry is hosting events and we see people openly smoke in the parks and having these huge for 20 events, food trucks that are driving with foodh marijuana like they did that weekend, there comes a point where, if we are going to be selling this and it is going to be available in our community, it also is the responsibility of elected officials to ensure that it is implemented the way it was sold to voters, which is it won't be used in public. it is for private consumption. it is to be used only by adults. it is not to leave the state. coloradoose issues really needs to still work on. we are having issues with all of those points. host: ultimately, as far as the rules are today, what more would you want to see? guest: there

gina carbone.guest: first, i wish you good luck and i hope that you are in the care of a good doctor. regarding the responsibility of the parents, sure, parents have to educate their children and look after what they are doing. but one we live in a society where the marijuana industry is hosting events and we see people openly smoke in the parks and having these huge for 20 events, food trucks that are driving with foodh marijuana like they did that weekend, there comes a point where, if we are going to be selling this and it is going to be available in our community, it also is the responsibility of elected officials to ensure that it is implemented the way it was sold to voters, which is it won't be used in public. it is for private consumption. it is to be used only by adults. it is not to leave the state. coloradoose issues really needs to still work on. we are having issues with all of those points. host: ultimately, as far as the rules are today, what more would you want to see? guest: there

gina carbone.uest: first, i wish you good luck and i hope that you are in the care of a good doctor. regarding the responsibility of the parents, sure, parents have to educate their children and look after what they are doing. but one we live in a society where the marijuana industry is hosting events and we see people openly smoke in the parks and having these huge for 20 events, food trucks that are driving with foodh marijuana like they did that weekend, there comes a point where, if we are going to be selling this and it is going to be available in our community, it also is the responsibility of elected officials to ensure that it is implemented the way it was sold to voters, which is it won't be used in public. it is for private consumption. it is to be used only by adults. it is not to leave the state. coloradoose issues really needs to still work on. we are having issues with all of those points. host: ultimately, as far as the rules are today, what more would you want to see? guest: there i

host: gina carbone with smart colorado. there is a website if you want to find out more abo on c-span, a discussion on the origins of the universe. an interview with the commander of the international space station. here is a look. >> in the beginning, it was hot, really hot. as the universe expanded, the heat would spread out. it diluted and cooled down. you can calculate how cold it should be today and it is about 2.7 degrees above absolute zero. that is the temperature of deep space. if you are in deep, empty space, the temperature -- you can go one step further. you can calculate how the temperatures should vary from place to place. it should vary on the order of 1/1000 of a degree. you can do these very precise measurements and see the temperature variation. >> what do you mean when you call something the fabric of the cosmos? >> it is a hard question. is space really a thing or is it just a useful concept in order to organize our perception of reality? you are over there. the table is further. is space really a thing?

environment and public works committee held an oversight meeting this week to hear from gina mccarthy on the agency's proposed carbon june they proposed the cleen power plant which cuts carbon pollution through a state partnership and requires fossil fuel burning plans to identify the best and cheapest way to reduce pollution. senator barbara boxer of california is the committee chair and david vitter is the ranking member. >> good morning, everybody. this oversight hearing will examine the critically important steps that the obama administration is taking to address climate change by reducing carbon pollution. today we'll focus on the president's new proposal to reduce dangerous carbon pollution from the biggest source, power plants. just this last week when i welcomed the miners, it is my pleasure to welcome the moms clean air force. we're glad to see you here with the kids in tow. power plants account for nearly 40% of all pollution released in the air. currently there are no limits. on the amount of carbon pollution power plants can release into our air. the president's plan in my view is a win-win for the ameri