the "new york times" talked about -- i'll just read a quote because it's a very important quote from this article. "anyone who has read the 2014 report of the ipcc knows that while modest, 0.85 degrees celsius warming of the earth has occurred since 1880. much else that passes as accepted fact is really a matter of probabilities. that's especially true of the sophisticated fallible models in which scientists peer to the future. to say this is knowledge is questionable." what the american people deserve is a transparent discussion about this issue. what paris represents is a international agreement that put this country at a disadvantage with very little benefit environmentally across the globe. >> can i follow up with a question on that, sir? why, then, is the arctic ice