A: If we change the light bulb we'll have to change everything.
A: He holds it in the air and the world revolves around him
Two!.......pac. (*It's a lot better spoken than written.*)
A: Actually agents will screw in just about anything.
Light bulb.
Because the editors know that they gotta catch 'em all!
A: Three. One to screw it in and two more to hold down the editor.