Why doesn't Mexico have an Olympic team? Because everybody who can run, jump and swim are already in the U.S.
Why don't the enemies of the Teenage Mutant Ninja Turtles just flip them on their backs?
Did you hear about the nearsighted porcupine? He fell in love with a pincushion!
What makes men chase women they have no intention of marrying? The same urge that makes dogs chase cars they have no intention of driving.