Related:

• How many atheists -- does it take to screw in a light bulb?
  None. Atheists never "see the light" anyway do they?...
• How many economists -- does it take to screw in a light bulb?
  None. If the light bulb really needed changing, market forces would have already caused it to happen....
• How many boarding school students -- does it take to screw in a light bulb?
  None, they have their parents do it for them....
• How many hookers -- does it take to screw in a light bulb?
  None - they get screwed - they don't usually do the screwing....
• How many male chauvinistic pigs -- does it take to screw in a light bulb?
  None. They have the girls do it....
• How many women with PMS -- does it take to screw in a light bulb?
  None. You can do it yourself, dammit....
• How many Beverly Hills residents -- does it take to screw in a light bulb?
  None, they have a service come in and do that....
• How many medflies -- does it take to screw in a light bulb? None: they do it in the fruit.
• How many Professors -- does it take to screw in a light bulb?
  None...what do you think their graduate students are for?...