*A scientist talks to a racist with two brains in jars in the background
Scientist: Okay racist, can you guess which brain is white and which is black?
Racist: (grabbing a card) No, I can’t. You got me.
*The racist gets up his card on an easel. It shows two different bell curves.
Racist: Say, can you guess which I.Q. distribution is white and which is black?