In his career, Manning Marable wrote about the struggle for equal rights — and especially the life of Malcolm X. In this file photo from 2001, he posed at his Columbia University office in New York. Mario Tama/Getty Images hide caption

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An oil drilling rig is seen near Ray, N.D., last September. The well is being drilled into the Bakken Formation, one of the largest contiguous deposits of oil and natural gas in the United States. Karen Bleier/AFP/Getty Images hide caption

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A woman walks by a "Help Wanted" sign taped to the window of a restaurant in San Francisco. Some employers are refusing to consider hiring anyone who doesn't already have a job, leading to increased scrutiny by the EEOC. Justin Sullivan/Getty Images hide caption

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Ras Lanuf, March 11: Lynsey Addario and Tyler Hicks of The New York Times (center left and right) stand on the side of a road in Libya with Yuri Kosyrev of Time magazine and freelancer Nicki Sobecki. Four days later, Addario and Hicks were taken captive along with Times journalists Anthony Shadid and Stephen Farrell. John Moore/Getty Images hide caption

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Do I Know You? An animatronic baby Tyrannosaurus Rex gives students a close look during a preview of the Australian show Walking With Dinosaurs in Melbourne last week. Mark Dadswell/Getty Images hide caption

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A woman sits in an evacuation center in Fukushima prefecture, where fears of radiation exposure have further complicated the lives of people whose cities were crippled by Friday's earthquake. Doualy Xaykaothao /NPR hide caption

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Rescue workers check the remains of a house for any possible survivors in Natori, Miyage prefecture, Sunday. Mike Clarke/AFP/Getty Images hide caption

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