Market timing, by the way, is a tag some buy-and-hold investors use to put down anything that involves using your brain. These are the same people who like to watch the locomotive coming and get run down in the name of discipline.

As a professional, you can afford to pick some stocks and be wrong about a few of them. To keep your job, you cannot take the risk of being seen to be wrong about the 'big picture' for very long.

Capitalism does millions of things better than the alternatives. It balances supply and demand in an elegant way that central planning has never come close to.

I like to be right. I try not to miss the big ideas, forget the little ones, and try to get them right. End of job description.

Evolution, climate change, and the construction of the physical universe down to its atoms are processes that we measure in millions or billions of years.

The evidence for human-made climate change is overwhelming.

It has been shown that public participation can limit powerful interest groups, while competing interests can help find a reasonable balance between development and environmental protection.

There is no question that climate change is happening; the only arguable point is what part humans are playing in it.