mr. twiew wit, are we supposed to believe that's all a coincidence? >> no.'ve said through the process in my confirmation process, individually with senators as well that there's a warming trend, the climate is changing, and human activity contributes to that change in some to measure. the real issue is how much we contribute to it and measuring that with precision. but then also, what is the process as far as response. what can we do about it. the tools in the toolbox to address the co2 issue. and you can't just simply from the epa perspective make that up. you can't do what president obama did and his administration to simply reimagine authority. that's why we have a u.s. supreme court stay against the clean power plan, that's why president trump is dealing with that regulatory overreach and charting the new path forward to deal with these issues within the framework of the -- chris: but, sir, you're kind of sugar coating what you said. you said i would not agree that co2 is a primary contributor to global warming, and the question i have is what if you're