How many jews does it take to screw in a lightbulb?
One, if he wants to spend the money

How many black people does it take to screw in a light bulb?
2, one to steal it, and one to screw it in.

How many white people does it take to screw in a lightbulb?
None, they get a black guy to do it for them.

How many mexicans does it take to screw in a lightbulb?
One, if they can afford it.

How many Arabs does it take to screw in a lightbulb?
One, if he doesn't blow himself up in the process.