How many Dead-Heads -- does it take to change a light bulb?

Related:

• How many dyslexics (sp?) -- does it take to bulb a like change?
  10, one to change the light bulb and 9 to missread...
• How many Tauruses -- does it take to change a light bulb?
  One, but just *try* to convince them that the burnt...
• How many drummers -- does it take to change a light bulb?
  10. One to change the light bulb and the other 9 to...
• How many Arabs -- does it take to change a light bulb?
  Only one, but it took three U.S. advisors to tell them...
• How many Californians -- does it take to screw in a light bulb?
  Eleven. One to change it and ten to follow the trend...
• How many psychologists -- does it take to change a light bulb?
  Just one, but the light bulb has to really WANT to...
• How many lawyers -- does it take to change a light bulb?
  It only takes one to change your bulb to his bulb...
• How many dull people --
  does it take to change a light bulb? One...
• How many WASPs -- does it take to change a light bulb?
  Two. One to change the bulb and one to mix the drinks...