More for the collection (not necessarily Nish):
Q: How many politicians does it take to change a lightbulb ?
A: Two. One to change it, and another one to change it back again.
Q: How many politicians did you say it takes to change a lightbulb?
A: Four, one to change it and the other three to deny it.
Q: How many social scientists does it take to change a light bulb?
A: They do not change light bulbs; they search for the root cause as to why the last one went out.
Q: How many seventies disco dancers does it take to change a lightbulb ?
A: Two. One to boogie up the ladder and one to say "Get daaowwwwn !"
Q: How many paranoids does it take to change a lightbulb?
A: WHO WANTS TO KNOW?
JUST EXACTLY WHAT DO YOU MEAN BY THAT? HUH? HUH?
Q: How many archaeologists does does it take to change a lightbulb ?
A: Three. One to change it and two to argue about how old the old one is.
Q: How many aerobics instructors does it take to change a lightbulb ?
A: Five. Four to do it in perfect synchrony and one to stand there going "To the left, and to the left, and to the left, and to the left, and take it out, and put it down, and pick it up, and put it in, and to the right, and to the right, and to the right, and to the right..."
Q: How many loggers does it take to change a light bulb?
A: One, but he uses a chainsaw.
Q: How many jerks who ask stupid questions does it take to change a light bulb?
A: Change it to what?
Q: How many programmers does it take to screw in a light bulb?
A: None, that's a hardware problem.
Q: How many carpenters does it take to screw in a light bulb?
A: Sod you! That's the electrician's job.
Q: How many consultants does it take to change a light bulb?
A: We don't know. They never get past the feasibility study.
Q: How many elephants does it take to change a lightbulb ?
A: Two, but it has to be a pretty big light bulb!
And last but not least,
Q: How many country & western singers does it take to change a lightbulb ?
A: Four. One to change it, one to sing about how heartbroken he is at the loss of the old one, one to sing about how madly in love she is with the new one, and one to go "Yeeeee-Hah !" and throw his hat in the air.
GFN