In a 1986 case it said that prisoners so insane that they could not understand the punishment they were about to suffer or why they were being punished could not be executed.

ECONOMIST: Forcible medication

Their advanced training in accounting and economics allowed them to know things about the markets that common folk like me could not possibly know or understand.

FORBES: Why I Index by Rick Ferri

He could not understand people who made drawers, or any other piece of furniture, with sharp edges.

ECONOMIST: Alan Peters

This could arguably be described as an oversight by many investors who did not understand the nature of their investment or the fact that they had basically no claim on the underlying assets of the company in which they were investing.

FORBES: Looking at Chinese VIE's