A boy asked his dad, "What's…

A boy asked his dad, "What's the difference between a woman and a slave?" His father replies, "I don't know, what?" His son says, "No, I was asking a question."
Jokes, +1:
Little Johnny came in from the backyard sobbing. His mother asked "What's the matter?" "Dad was fixing the fence and hit his thumb with the hammer," he said through his tears. "That's not so serious," his mother said, "and a big boy like you shouldn't cry about that. Why didn't you just laugh?" "I did!" cried Johnny.