None. Thats a software problem.

Q: How many gun control advocates does it take to screw in a light bulb?
A: They dont do that; they pass laws against burned-out bulbs, and then they wonder why its still so dark. Meanwhile, a lot of people get hurt because they cant see.

How many US Vice-Presidents does it take to screw in a light bulb?

One, but it has to be a pretty dim bulb.

How many Christians does it take to screw in a lightbulb? None. The Bible makes no mention of lightbulbs.

Q: How many Englishmen does it take to screw in a light bulb?
A: What do you mean change it? Its a perfectly good bloody bulb! We have had it for a thousand years and it has worked just *fine*.

Q: How many Russian leaders does it take to change a light bulb?
A: Nobody knows. Russian leaders dont last as long as light bulbs.

How many Americans does it take to screw in a light bulb?

Three, or four, or…No, wait, well have to count them again.

Q: How many stock brokers does it take to change a light bulb?
A: Two. One to take out the bulb and drop it, and the other to try and sell it before it crashes (knowing that its already burned out).

Q: How many George Smillivitches does it take to change a lightbulb?
A: None, becouse tough girls arent afraid of the dark.

Q: How many punk-rock musicians does it take to change a light bulb?

A: Two. One to screw in the bulb and the other to smash the old one one his forehead.