The happy talkers tell us that diversity is a boon, making our society stronger and better. Our own lying eyes tell us that it is the source of conti… - John Derbyshire

This is life. People stumble and grope blindly hither and thither, wondering if they did the right thing, occasionally knocking something over and hoping no-one noticed, striving for illusory goals, addled with guilt and insecurity.

After the many hundreds of generations that Australian, East Asian, African, European and indigenous American populations of Homo sapians developed in isolation from each other, in different environments, there ought to be divergence aplenty, though nowhere near to speciation. And so there is. That is why a roomful of Australian aborigines looks nothing like a roomful of Hungarians, and neither looks anything like a roomful of Quechua-speaking South American indigenes.

Life's great law is that poverty and hardship build character; prosperity and security destroy it. This isn't anybody's fault; it's merely a natural law, like gravity. Nor is it anything particular to America. Any other nation afflicted with such colossal success will fall into decadence as we are doing. History offers many examples.