Last week, CNN legal analyst and renowned Supreme Court biographer Joan Biskupic stopped by the National Constitution Center to discuss her new book "The Chief: The Life and Turbulent Times of Chief Justice John Roberts." Biskupic details some of the most consequential decisions of Chief Justice Roberts’s tenure, and explores the dual motivations she sees in Roberts’s work: his desire to follow his conservative conscience, and his mission to uphold the Supreme Court’s institutional legitimacy. She sits down with National Constitution Center President Jeffrey Rosen.

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