Teachers and librarians demonstrate against thousands of proposed job cuts in the Los Angeles Unified School District Tuesday. Reed Saxon/AP hide caption

itoggle caption Reed Saxon/AP

Workers pick onions on a Vidalia onion farm in Lyons, Ga. Farmers are concerned that the state's new legislation meant to bar illegal immigrants from the workforce will scare away migrant laborers. David Goldman/AP hide caption

itoggle caption David Goldman/AP

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

itoggle caption Mario Tama/Getty Images

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

itoggle caption Karen Bleier/AFP/Getty Images

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

itoggle caption Justin Sullivan/Getty Images

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

itoggle caption John Moore/Getty Images