Ok, this is an old one, but it is a good one.
President Bush: Peter. Are you going to ask that question with shades on?
Peter Wallsten of the Los Angeles Times: I can take them off.
Bush: I'm interested in the shade look, seriously.
Wallsten: All right, I'll keep it, then.
Bush: For the viewers, there's no sun.
Wallsten: I guess it depends on your perspective.