It doesn't in the article linked in the OP. But:Where does it say the topic is climate change?
http://www.nbcnews.com/meet-the-press/sunday-mtp-olympics-future-gop-climate-change-n29911
Massive snow storms along the east coast, a warm Winter Olympics, a record drought in California, and flooding in the U.K. have sparked debate over Climate Change. Sunday, we'll dig in with scientist and educator Bill Nye "The Science Guy" and Tennessee Republican Congresswoman Marsha Blackburn, Vice Chair of the House Energy and Commerce Committee.
Actually, it's not clear that it's really a debate, from this blurb.