Related:

• How many Russian leaders -- does it take to change a light bulb?
  None, the old bulb is just suffering from a cold....
• How many Poles -- does it take to change a light bulb?
  Just one, but you need 6000 Russian troops in case he goes on strike!...
• How long does it take a DEC repairman -- to change a light bulb?
  It depends on how many burnt-out light bulbs he brought with him....
• How many Daleks -- does it take to change a light bulb?
  Daleks don't change light bulbs, they level the building....
• How many Arians -- does it take to change a light bulb?
  Only one, but it takes a lot of light bulbs. (*smash*)...
• How many A&R men -- does it take to change a light bulb?
  None. "We're not changing any light bulbs at the moment....
• How many big black monoliths -- does it take to change a light bulb?
  Sorry, light bulbs are an evolutionary dead end....
• How many blondes -- does it take to change a light bulb?
  Blondes screw in back seats, not in light bulbs, silly....
• How many bluegrass musicians -- does it take to change a light bulb?
  They don't. They only use acoustic light bulbs....