metajokes plus one

from a forwarded email:

"Three people of different nationalities walk into a bar. Two of them say
something smart, and the third one makes a mockery of his fellow countrymen by
acting stupid."

--

"Three blokes walk into a pub. One of them is a little bit stupid, and the whole
scene unfolds with a tedious inevitability."

--

Q: "How many members of a certain demographic group does it take to perform a
specified task?"
A: "A finite number: one to perform the task and the remainder to act in a manner
stereotypical of the group in question."

--

There once was an X from place B,
Who satisfied predicate P,
The X did thing A,
In a specified way,
Resulting in circumstance C.

--

Q: How many geeks does it take to ruin a joke?
A: You mean nerd, not geek. And not joke, but riddle. Proceed.