As a child I was very involved with sports and I knew at age 9 that I wanted to be an Olympic champion.
I was never one of those people who thought, 'What I really want to do is direct.' It never occurred to me.
There are domains in which expertise is not possible. Stock picking is a good example. And in long-term political strategic forecasting, it's been shown that experts are just not better than a dice-throwing monkey.

