Isabel Wilkerson

In her new book, author Isabel Wilkerson, right, argues a caste system — not race — explains inequality in the United States.

Author Isabel Wilkerson: Caste, not race, is the ‘bones’ of inequality in the US

Only by accepting the framework and language of a caste system can the US begin to heal from 400 years of racial inequality, argues author Isabel Wilkerson.

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