Brow Beat

Bill Cosby may be 75 years old, but he’s as sharp as ever, which he demonstrated last night on the Late Show With David Letterman. Joking about his old age and getting the seemingly bewildered house band involved in an exchange slightly reminiscent of “Who’s on First,” Cosby proved to be an adept and hilarious guest. “Old people. You’re scared of us,” he told the mostly younger studio audience. “Because you walk near us, but you won’t come to us.”

As an added treat, the comedian showed off some of his signature dance moves while explaining the significance of the Harlem Globetrotters’ theme song, “Sweet Georgia Brown,” to Letterman.

The whole thing was a learning experience, and the main lesson was: Cosby’s still got it.