How Many Science Fiction Writers -- Does It Take To Change A Light Bulb?

How many Californians -- does it take to screw in a light bulb?
Three - one to change the light bulb and two to say "Oh Wow!...
How many Zen masters -- does it take to screw in a light bulb?
Two: one to change the bulb and one not to change it....
How many Martians -- does it take to screw in a light bulb?
One and a half. (Is this a science-fiction in-joke?)...
How many keyboardists -- does it take to screw in a light bulb?
Two: One to change the bulb and one to say "Yeah, that sounds just like it....
Q: How many right-to-lifers does it take to change a light bulb?
A: Two. One to screw it in and one to say that light started when the screwing began....
How many economists -- does it take to screw in a light bulb?
Two. One to assume the latter (a pun) and change the bulb....
How many editors -- does it take to screw in a light bulb?
Two - one to change the bulb and one to issue a rejection slip to the old bulb....
How many new-agers -- does it take to change a light bulb?
Two. One to screw it in and one to check the astrology....
How many bluegrass musicians -- does it take to change a light bulb?
Two - one to screw it in and one to complain that it is electrified....