To David Letterman's Irritation, His Mom Won’t Blame Global Warming for Warm Days in Indianapolis

(Eyeblast.tv) - David Letterman is a big believer in cataclysmic predictions about global warming, but on Wednesday’s program his mom, Dorothy, rejected his proposition that global warming was to blame for some unseasonably warm days in Indianapolis -- prompting her disappointed son to shake his head in disapproval.