None. They'll just stand in the dark talking about how good the old one was.
Just one, but they need a backup.
7
Ten. (Shame this one doesn't work too well for reddit - the funniest part of this joke is the third punchline enjoying people struggle to understand what the hell you're talking about.)
Joint-Discussion
If we change the light bulb we'll have to change everything.
How many did it take last year
You never know when she'll Let it Go.
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.
The old one was made of steal.
They don't... they just talk about how good the old one was.