In the flat world of maps, sharp lines show where one country ends and another begins. The real world is more fluid. Peoples do not have borders the way that parcels of land do. They seep from place to place; they wander; they migrate. Consider the difference between China and the Chinese people. One is an enormous country in Asia. The other is a nation that spans the planet. More Chinese people live outside mainland China than French people live in France, with some to be found in almost every country. Read More