president obama we spent 150-billion dollars on renewables and kept encountering the same problems everywhere that were related to the unreliability of solar and wind. depending on when the sun is shining and the wind is blowing. and the low energy density of sunlight dollar wind. -- and wind. you have to use a lot more natural resources including land to generate very much electricity. >> tucker: so it's not good for the environment. then you point to another form of energy that has a reputation, nuclear. >> yes. we were in the process of trying to figure out how to deal with things like climate change or