Is David Letterman obsessed with Tracy Morgan? Last week, he grilled Tina Fey on her '30 Rock' costar, the result was this gem of a clip. Last night he turned his questions on Luke Wilson on 'Late Show With David Letterman' (11:35PM ET on CBS).

"He's a real force of nature," Wilson said. The duo were riding around in a picture car, waiting to shoot a scene and Morgan was getting numbers from girls on the street.

"At one point I said, 'Tracy, I think they're ready to shoot this' ... and he said, 'Lou,' and I said, 'It's Luke.' He said 'Lou ... I'm a pervert,'" Wilson said.

Tracy Morgan stories make for good TV.

Watch the video after the jump.
Is David Letterman obsessed with Tracy Morgan? Last week, he grilled Tina Fey on her '30 Rock' costar, the result was this gem of a clip. Last night he turned his questions on Luke Wilson on 'Late Show With David Letterman' (11:35PM ET on CBS).

"He's a real force of nature," Wilson said. The duo were riding around in a picture car, waiting to shoot a scene and Morgan was getting numbers from girls on the street.

"At one point I said, 'Tracy, I think they're ready to shoot this' ... and he said, 'Lou,' and I said, 'It's Luke.' He said, 'Lou ... I'm a pervert,'" Wilson said. Tracy Morgan stories make for good TV.