A blonde and a brunette are in a car and the blonde is driving. The blonde is going 70+ mph and the speed limit is 60. The brunette says, "Be careful. A cop can pull you over if your speeding!" The blonde slows down, but only to about 65 mph. A little while later, the blonde says, "Uh-oh, there's a cop behind us." The Brunette says, "Is he after us?" The blonde says, "I don't know." The brunette says, "Are his lights on?" And the blonde repiles, "Yes...No...Yes...No..."