How Many Circus Performers -- Does It Take To Change A Light Bulb?

How many circus performers -- does it take to change a light bulb?
Four. One to change the bulb and three to sing, Ta da!...
How many drummers -- does it take to change a light bulb?
One .. Two, and a-one two three fou...
How many firemen -- does it take to change a light bulb?
Four - one to change the bulb and three to cut a hole in the roof....
How many Californians does it take to change a light bulb?
Four. One to change the bulb and three to share the experience....
How many politicians -- does it take to change a light bulb?
Four, one to change it and the other three to deny it....
How many safety inspectors -- does it take to change a light bulb?
Four. One to change it and three to hold the ladder....
How many Directors -- does it take to change a light bulb?
Three. No, five. No, you go away - four. YES! Four! Perfect!...
How many GLC workers -- does it take to change a light bulb?
Four. One to do it and three to go round putting up posters announcing that the GLC, working for London, is going to change the light bulb....
How many Asians -- does it take to change a light bulb?
Three. One to change it and two to go to the cash & carry....