Related:

• How many Russians -- does it take to change a light bulb? That's a military secret.
• How many Scorpios -- does it take to change a light bulb?
  That information is strictly secret and only shared with the inner members of the hierarchical Order....
• How many Tory MP's -- does it take to change a light bulb?
  I'm sorry I can't tell you that, the light bulb changing service has been privatised and the information you require is commercially sensitive....
• How many Labour Party members -- does it take to change a light bulb?
  None. They haven't got a policy on that....
• How many British navy Officers -- does it take to change a light bulb?
  Only one, but it takes him seven weeks to get there....
• Q: How many Bell Labs Vice Presidents does it take to change a light bulb?
  A: That's proprietary information. Answer available from AT&T on payment of license fee (binary only)....
• How many Bell Labs Vice Presidents -- does it take to change a light bulb?
  That's proprietary information. Answer available from AT&T on payment of license fee (binary only)....
• How many deconstructionists -- does it take to screw in a light bulb?
  You have to examine the nature of the question....
• How many social workers -- does it take to change a light bulb?
  Four. One to remove the bulb from the socket and take it away, without checking whether or not there was actually anything wrong with it, one to accuse its owners of mistreating it, one to find somewhere else to screw it in for the next 6 months, and one to eventually bring it back and say it was all done with the light bulb's best interests at heart....