It only takes two, but the trick is getting them in the lightbulb.
Three to screw it in and Bono to explain it to the world.
He holds the lightbulb and the world revolves around him.
Just one. They are very efficient and don't have much of a sense of humor.
Two. One to hold the ladder and one to screw your mother - I mean light bulb!
He did gnat see that coming"
Because it was not born yesterday.
