Two, one to change the lightbulb, and the other to bask in the light of the old one.
To get to the other side.
None. Their President outsources the job to India.
None, they just stand around complimenting it, and get mad when it won't screw.
Light? What's that?
None that's a hardware problem
Well, you would too, if you had to change in front of that many people!
The Know-Nothings!
To bask in social approval.