Adrian Florido

Puerto Rico Gov. Ricardo Rosselló has asked the Justice Department to investigate the island's public electric utility after federal agents said they found large quantities of critical rebuilding materials stored in a warehouse owned by the public company.

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The National Association for the Advancement of Colored People is holding its annual convention in Philadelphia this week. For much of its 106-year history, it has been the nation's preeminent voice for civil rights and social justice. Among the topics of discussion this week: recent events in Baltimore and Ferguson.

But NAACP leaders have also addressed claims that their organization is losing relevance, especially for young people who are coming of age in an era of online activism and new protest movements like Black Lives Matter.