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Call it ethnic cleansing, with Chinese characteristics.

For the past two decades, China’s communist mandarins have sought the use of nationalism to offset their dubious legitimacy. In turning every Chinese misstep into a foreign affront, the regime has successfully created a sense of “China Uber Alles,” to borrow a phrase from a long-departed regime.

The side effect of the newly fashioned Chinese nationalism is a virulent strand of Chinese racism. To be more exact, the Han Chinese racism.

The Han race dominates the Chinese world in every way imaginable. They may be rich or poor. They may speak Cantonese or Mandarin. They may hail from Shanghai or Taiwan or Los Angeles. But they draw their blood from the same ancestral source.

Because China...