The world is changing with really remarkable speed. If you look at the chart at the top here, you'll see that in 2025, these Goldman Sachs projections suggest that the Chinese economy will be almost the same size as the American economy. And if you look at the chart for 2050, it's projected that the Chinese economy will be twice the size of the American economy, and the Indian economy will be almost the same size as the American economy. And we should bear in mind here that these projections were drawn up before the Western financial crisis.A couple of weeks ago, I was looking at the latest projection by BNP Paribas for when China will have a larger economy than the United States. Goldman Sachs projected 2027. The post-crisis projection is 2024. That's just a decade away. China is going to change the world in two fundamental respects. First of all, it's a huge developing country with a population of 1.3 billion people, which has been growing for over 30 years at around 10 percent a year.The second is maybe more prosaic, which is Hong Kong. Do you remember the handover of Hong Kong by Britain to China in 1997? You may remember what the Chinese constitutional proposition was. One country, two systems. And I'll lay a wager that barely anyone in the West believed them. "Window dressing. When China gets it's hands on Hong Kong, that won't be the case." 13 years on, the political and legal system in Hong Kong is as different now as it was in 1997. We were wrong. Why were we wrong? We were wrong because we thought, naturally enough, in nation state ways. Think of German unification, 1990. What happened? Well, basically the East was swallowed by the West. One nation, one syste...