Elizabeth Blair

President Obama has nominated Carla D. Hayden as the next librarian of Congress. If confirmed, she would be the first woman and first African-American ever to lead the world's largest library.

Hayden is currently CEO of the Enoch Pratt Free Library in Baltimore.

In a White House statement, Obama says he and the first lady have known Hayden since she was at the Chicago Public Library, where she was deputy commissioner and chief librarian from 1991-1993.

The aptly titled Sweat is all about work — and the fear of losing it. In the new play by Pulitzer Prize-winning writer Lynn Nottage, change is coming for workers at a steel tubing plant. "They've got buttons now that can replace all of us," one character says. Sure enough, the company is about to move production to Mexico and ask longtime union workers to accept lower wages. They refuse, and end up locked out and replaced by immigrant labor.

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