Isabel Wilkerson On America's Caste System : Fresh Air In 'Caste: The Origins of Our Discontents', the Pulitzer Prize-winning journalist examines the laws and practices that created a bipolar caste system in the U.S. — and how the Nazis borrowed from it.

Also, John Powers reviews Raven Leilani's debut novel, 'Luster.'

Isabel Wilkerson On America's Caste System

Isabel Wilkerson On America's Caste System

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In 'Caste: The Origins of Our Discontents', the Pulitzer Prize-winning journalist examines the laws and practices that created a bipolar caste system in the U.S. — and how the Nazis borrowed from it.

Also, John Powers reviews Raven Leilani's debut novel, 'Luster.'