Wherever you have a Muslim community, you'll find trouble, you'll find friction, you'll find national-religious demands, and you'll find terror. Isn't that so? No, it isn't, at least not where the Muslim community in the United States is concerned. At a time when European countries are debating among themselves about how to deal with the burgeoning extremism among their Muslim immigrant communities and how to contend with the dangers to their national security and culture from those who demand official recognition of their separate culture, there is no sign of similar unrest in the US. Close to a million Muslims...