>> re . >> she's right it's a very distressing situation. joining me to talk about this is bill nye the science guy, he's host and executive producer of "the end is nye," he's also the author of bill nye's "great big world of science." let's start with the mega drought out west. 40 million people relying on the colorado river, arizona and nevada having to pull back their water usage. i mean, have we seen anything like this in some time? does this stand out to you to be an abnormal situation? >> well, it's abnormal in a sense, but it's also consistent with climate models. this is what -- and th...