But then I came to the conclusion that no, while there may be an immigration problem, it isn't really a serious problem. The really serious problem is assimilation.

Global politics remains extremely complex and countries have different interests, which will also lead them to make what might seem as rather bizarre friends and allies.

It was one thing to contain the Soviet Union in Europe because Britain, France, and Germany were all willing to join in. But will Japan and other Asian countries be willing to join in the containment of China?

I think in theory, the United States finds it much easier to deal with situations where there is a leading country. You can go to the leaders of that country and say, for example, to India, "There are all these problems in Bangladesh, we really have to do something about it, what do you suggest we can do to work out a common policy?" But when you don't have the equivalent of India, you have to go capital to capital trying to put together a coalition, which is extraordinarily difficult, especially in the Arab world, because of the historic rivalries and branches of Islam.

I don't know what will happen 100 years from now.

Certainly there are various trans-Islamic political movements, which try to appeal to Muslims in all societies.

The larger society has to recognize some degree of autonomy for the minority: the right to practice their own religion and way of life and to some extent their language.