Great, reasoned and logical analysis, and that's where nationalism and jingoism cannot tolerate. Someone from Japan can come to America (USA) and eventually become an "American," legally. Canada, too. But how many countries are like that. Gunter Grass has a good book about The German Dying Out, but such countries are resistant to immigrants, and yet need them. In Japan, I believe, there are restaurants that do not allow non Japanese to dine. Okay. But... not really the world I want to inhabit of diversity and clearer skies and water.