The television star approached Malia to thank her, saying, “You don’t know who I am.
I know your mother and father.
My name is Dave Letterman, and I am very happy to be here.”

“That was a pretty good line,” Obama told Letterman, smiling.
“She’s a riot.
She is funny.”

In fact, he’s been their primary test audience.
“I am generally the brunt of every joke in the household.
They all go, ‘What an idiot.’

So, that’s basically the vibe at my house,” Barack admitted with a laugh.
She’s really, really dedicated to her craft."