San Francisco, coolest place ever.

Any new financial order for the world must tackle the three chief challenges of our age.

The older generation had greater respect for land than science. But we live in an age when science, more than soil, has become the provider of growth and abundance. Living just on the land creates loneliness in an age of globality.

Older fatherhood isn't all bad: testosterone rates drop about 1% per year as men age, making them less reactive and more patient, and a professionally established middle-aged man is likely to have more time and money to devote to his kids than a twenty-something who's just getting started.

I can't get my knickers in a twist about my age and ageing in an industry that caters to the ids of 14-year-olds.