When I think about why the racial fixation has proved so durable, I sometimes recall the lost-wax method by which goldweights in Ghana are cast. (You create a wax model, surround it with clay, and melt the wax away by pouring in molten brass.) In this case, the nineteenth-century race concept is the lost wax: the substance may have melted away, but we’ve intently filled the space it created. In the United States, nativists aim to define the country in terms of color and creed (namely, white and Christian). On the other side of the color line, the persistence of material inequality gives a
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