Related:

• How many poltergeists -- does it take to change a light bulb?
  Three. One to unscrew the old bulb and drop it on the floor, one to put the new bulb in, and one to move a few more things about just for good measure....
• How many Greenpeace researchers -- does it take to change a light bulb?
  Two, one to put in the new one and one to recycle the old one....
• How many talk show hosts -- does it take to change a light bulb?
  Three, one to screw in the new bulb, one to ask the old one how it feels to be replaced, and one to take questions from the audience....
• How many light bulbs -- does it take to change a light bulb?
  Two, the new one and the old one. (hahahahah ???)...
• How many Japanese industrialists -- does it take to change a light bulb?
  Three - one to make sure the new bulb is not foreign, one to change the bulb, and one to look into the export potential of the old bulb....
• How many people -- does it take to change a light bulb for Bobby Fischer?
  Two. One person to put the new one in, and another person to file three millimetres off it first....
• How many archaeologists does -- does it take to change a light bulb?
  Three. One to change it and two to argue about how old the old one is....
• How many gas fitters -- does it take to change a light bulb?
  Three: One to turn up the day before when you're out, one to change the switch, and one to bring along the wrong kind of bulb....
• How many politicians -- does it take to change a light bulb?
  Two. One to change it, and another one to change it back again....