Q: How many politicians does it take to change a light bulb?
A: We don't know. They're still arguing about it.
Q: How many Microsoft Engineers does it take to change a light bulb?
A: None. They just change the standard to DARK.
Q: How many idiots does it take to screw in a light bulb?
A: 500, 1 to hold the light bulb and 499 to turn the house.
Q: How many duffers does it take to screw in a light bulb?
A: 4. One to hold the light bulb and stand on a spinning chair and 3 to spin the chair round and round!