Staking out a notoriously rowdy bar for possible D.U.I. violators, a cop
watched from his squad car as a fellow stumbled out the door, tripped on
the curb and tried 45 cars before opening the door to his own and
falling asleep on the front seat.

One by one, the drivers of the other cars drove off. Finally, the sleeper
woke up, started his car and began to leave. The cop pulled him over and
administered a Breathalyzer test. When the results showed a 0.0
blood-alcohol level, the puzzled policeman asked him how that was

"Easy," was the reply. "Tonight was my turn to be the decoy"