Ethnic Aristocracies Have No Place in Modern America

Once upon a time, the liberal position was to reject the old discriminatory branding of people by the color of their skins rather than by the content of their characters.

Not now. Political and career advantage is found in trumpeting — or occasionally making up — genealogies.

Take the inexact category of Latino or Hispanic — an often constructed identity that increasingly no one quite knows how to define. Almost anyone can be a Latino or Hispanic, from a fourth-generation American with one-quarter Mexican ancestry, to a first-generation Cuban, to a youth who recently arrived illegally from Central America, to someone whose great-grandparents emigrated from the Portuguese…