Peter Lee, executive director of Covered California, (left) poses with his uncle, Philip Lee, and father Peter Lee (seated) at the younger Peter Lee's home in Pasadena, Calif., in 2013. Gina Ferazzi/LA Times via Getty Images hide caption

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Helena Hicks has remained active in Baltimore through eras of desegregation and the drug trade. Now she gives back to her childhood neighborhood, the same one where Freddie Gray lived. Jennifer Ludden/NPR hide caption

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A helicopter flies over a section of Baltimore affected by riots. Richard Rothstein writes that recent unrest in Baltimore is the legacy of a century of federal, state and local policies designed to "quarantine Baltimore's black population in isolated slums." Patrick Smith/Getty Images hide caption

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George Stinney Jr. appears in an undated police booking photo provided by the South Carolina Department of Archives and History. A South Carolina judge vacated the conviction of the 14-year-old, who was executed in 1944, saying he didn't receive a fair trial. Landov hide caption

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