Three. One to change it while the other two argue about how old the old one is.
A: Three. One to screw it in and two more to hold down the editor.
How many pessimists does it take to change a light bulb? None - it's probably screwed it too tight anyhow!
2. A man, his wife, and his cousin
It depends on the definition of lightbulb.
Some old stuff just got dug up
Someone who's career is in ruins !
His old one wouldn't let him swab her poop deck.
Seven - one to actually change the bulb and six to complain that they liked the old one better.