Related:

• How many American footballers -- does it take to change a light bulb?
  Two - one to screw it in and the other to recover the fumble....
• How many KGB agents -- does it take to change a light bulb?
  Two: One to screw it in and the other to check it for microphones....
• How many feminists -- does it take to screw in a light bulb?
  Three - one to screw it in and two to talk about the sexual implications....
• How many Zen masters -- does it take to screw in a light bulb?
  Two: one to change the bulb and one not to change it....
• How many punk rockers -- does it take to change a light bulb?
  Two: One to screw in the bulb and the other to smash the old one on his forehead....
• 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 feminists -- does it take to screw in a light bulb?
  Three. One to screw it in, and two to file a sexual harassment lawsuit on behalf of the bulb....
• How many economists -- does it take to screw in a light bulb?
  Two. One to assume the latter (a pun) and change the bulb....
• How many bikers -- does it take to change a light bulb?
  It takes two. One to change the bulb, and the other to kick the switch....