David Letterman's Mom Refuses to Agree With Him About Global Warming On Air

David Letterman usually has his mother Dorothy on every Thanksgiving for a pie-baking segment. During this year's segment, Dave's mom noted the unseasonably warm temperatures plaguing his hometown of Indianapolis. "That's that climate change," Dave responded."It's the global warming. You know that, mom? Do you believe in the climate change, in the global warming?”

"Not really," she said. Dave shook his head:

(via NewsBusters)