Related:

• How many women -- does it take to change a light bulb?
  (It's a very simple task, so...) None. "It's a man's job....
• How many Unix system vendors -- does it take to change a light bulb?
  None. All of the light bulbs you have are 'standard variants' and as such won't fit your particular implementation of the socket....
• How many (Generals/Politicians) -- does it take to change a light bulb?
  None, they can all see by the light at the end of the tunnel....
• How many lead singers -- does it take to change a light bulb?
  None. Get the drummer to do it....
• How many second violinists -- does it take to change a light bulb?
  None, they don't get up that high....
• How many rock'n'rollers -- does it take to change a light bulb?
  5, one to change the bulb and 4 to get in free because they know the guy who owns the socket....
• How many divorcees -- does it take to change a light bulb ?
  None. The sockets all went with the house....
• How many Goths -- does it take to change a light bulb?
  None. They prefer everything all black anyway....
• How many Perot supporters -- does it take to change a light bulb?
  None, they all just quit and go home!...