i went back to natural foods, -- beer anders, hamburgers, i came back and realized it's healthier fornt. it doesn't just change your body, environment, birds, water. i remember going to louisiana and seeing dead pelicans near my organic rice farm. the farmer said, why are they dead? they are eating the rice seeds covered in mercury. charlie: do we need a political discussion in this country about all of this? >> politics depends on>> free flow for everybody. from debates all the way down to the internet, there are few exceptions. that a copy of chaos of information, people go to protecting themselves and they go to superstition. they go to fear. then--vote out of fear, charlie: the argument people make about global warming, they debate about how much is contributed by human beings. in terms of what they put into the atmosphere. >> they do that because they don't pay attention to the signs. it's been well known since 1896. i will ask everybody to raise their hand if they don't believe in global warming. nobody raises their hand. i say, it's ok. still nobody does. that was a trick quest