EXCERPT:
ROGAN: "Have you debated anyone about this?"
DESSLER: "So, I -- so -- OK, so I have not debated anybody about this. Actually I take it back. I debated this person Richard Lindzen in 2010. My feeling is that I won't debate the science. The science is set. You know, earth -- you know, temperatures, warming, [indecipherable], I'm happy to debate policy, because I think policy needs to be debated. So if someone wants to debate energy policy with me --"
ROGAN: "Why wouldn't you debate the science?"
DESSLER: "Because the science is already been debated in the scientific system."