Light Bulb - City Planners

Q: How many city planners does it take to screw in a light bulb?
A: Six - four to write an extensive study recommending a three-way 100/200/250 watt light bulb, one to write an article in the newspaper praising the study, and one to put in a 10 watt blub instead.

Light Bulb - Social Workers

Q: How many social workers does it take to change a light bulb?
A: Four. One to remove the bulb from the socket and take it away without checking whether or not there was actually anything wrong with it, one to accuse its owners of mistreating it, one to find somewhere else to screw it in for the next 6 months, and one to eventually bring it back and say it was all done with the light bulb's best interests at heart.

What is an Archaeologist?

Q: What is an archaeologist?
A: Someone who's career is in ruins!