I have now finished reading and thinking about this article, and it's even better than it was at first glance. However, I disagree with him - I believe that everyone can a world leader at something. He says you can't, but then he says you can be the best at a combination of things - that is being the best at something in my book. Look around you at your coworkers - I found it astounding what some of them had achieved, even though they seemed at first glance to be just ordinary.