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• How many seventies disco dancers -- does it take to change a light bulb?
  Two. One to boogie up the ladder and one to say "Get daaowwwwn !...
• How many blondes -- does it take to change a light bulb?
  Three. One to hold the light bulb, two to spin the ladder....
• How many Microsoft technicians -- does it take to change a light bulb?
  Three: two holding the ladder and one to screw the bulb into a faucet....
• How many lawyers -- does it take to change a light bulb?
  Three. One to climb the ladder, one to shake the ladder, and one to sue the ladder company....
• How many safety inspectors -- does it take to change a light bulb?
  Four. One to change it and three to hold the ladder....
• How many old macrobiotics -- does it take to change a light bulb?
  Five. One to change it, three to hold the ladder, and one to call the ambulance....
• How many lawyers -- does it take to change a light bulb?
  Three. One to change it and 2 to keep interrupting by standing up and shouting "Objection !...
• How many drummers -- does it take to change a light bulb?
  One .. Two, and a-one two three fou...
• How many police -- does it take to change a light bulb?
  Three. One to change it and two to direct traffic (eh?)...