"We didn't want for anything because of my mom," Letterman said, noting that his work ethic came from his mom, who was always busy in the garden or on her hands and knees waxing floors.
The former late night TV host also recounted the time he watched his mom fetch a hoe and chop the head off of a snake she encountered in her garden.
"My mother is Grizzly Adams for God's sake," he joked.
Mengering was also loved by many of her son’s viewers, thanks to her role as a correspondent on his show. In addition to baking desserts for the show’s "Guess Mom’s Pies" segment, she also covered three Winter Olympics.<p>Letterman recalled how Late Show executives told him, “We should have your mother on the show all the time.”
“’No, we're serious,’" they added when he laughed it off. "’People like her better than you.’"