but here's the thing paul. the seven scientists who were on the receiving end of these letters that came, that congress grijalva sent, as you publish things in peer review literature, you're required to put in funding that has a conflict of interest. it's about trying to muzzle them and getting them to shut up. >> the former m.i.t. climate scientist, he's held these views for years. it doesn't matter who really funds it. and how is it different from the sierra club or other interest groups if they are funded by somebody like tom stire, the billionaire who has a very clear agenda on climate change. is there any difference? >> no. there is no difference. you have to put it in the context of this is now a trend. it's a campaign by democrats that they do to anyone that they don't agree with.