How many union electricians does it take to screw in a light bulb?
1) Seventeen. One to give the bulb to the screw-inner. One to screw in
the bulb. One to hold him on the stepladder. Four to hold the
stepladder steady. One to flick the switch to test the bulb. One to
make sure that the other bulbs in the room will need fixing. One to
supervise. Two to take a coffee break, one to eat lunch, and one to
nap. One to plot the best way of breaking into the apartment at night.
One to drink martinis with the WASPs.
2) Four men, four hours.