You hold the lightbulb and every politician screws you!
None. They like to keep their subscribers in the dark.
None. Once the bulb goes out, they replace the house.
Lightbulb.
Just 1...blondes will screw anything.
Just one. All he has to do is hold it in place while the world revolves around him.
By the ears
A: Two. One to change it and another one to change it back again.
They both tell the audience what they are glad to hear. But at the end, the audience laughs at the comic, and the politician laughs at the audience.