The Broken Alcoholometer A few days ago a routine police patrol parked outside a local brasserie.Late in the night the officer noticed a man leaving the bar so drunk that he could barely walk. The man stumbled around the car park for a few minutes, with the officer quietly observing. After what seemed an eternity and trying his keys on five vehicles,the guy managed to find his car which he fell into.He sat there for a few minutes as a number of other regulars left the bar and drove off. Finally he started the car, switched the wipers on and off (it was June and nice dry night) flicked the indicators on, then off, tooted the klaxon and then switched on the lights. He moved the car forward a few inches,reversed a little and then remained stationery for a few more minutes as some more vehicles left. At last he pulled out of the car park and started to drive slowly down the street.The police officer, having patiently waited all this time, now started up the patrol car, put on the flashing lights, promptly pulled the man over and carried out a alcoholometer test.To his amazement, the alcoholometer indicated no evidence of the man having consumed alcohol at all! Confused,the officer said "I'll have to ask you to join me to the police station. This alcoholometer device does not working." "I doubt it",said the man, "Tonight,I'm the designated decoy | 
