Let's do a little thought exercise here. Imagine that some force was flooding an indigenous people's lands with millions of unassimilable foreigners, and it was understood that this influx would irretrievably change that land's culture and replace the population. What would anthropologists call this phenomenon? Cultural genocide comes to mind. Of course, in America we call it "immigration policy." Now, when King Edward I "Longshanks" said about dominating the Scots in the film Braveheart, "If we can't get them out, we'll breed them out," it was to be expected from an enemy of Scotland. And how should we characterize America's...