Johnson & Johnson CEO William Weldon (left) and Colleen Goggins, chairman of the company's consumer unit, (right) testify at a House Oversight and Government Reform Committee hearing Thursday. Mark Wilson/Getty Images hide caption

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California Gov. Arnold Schwarzenegger OKed a bill that requires school districts to offer students free water. Paul Sakuma/AP hide caption

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Collaboration Beats Smarts In Group Problem Solving

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For-Profit Colleges Under Senate Microscope

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New York Governor's Race Grows Nastier

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A policeman signals Thursday that a road in central London is closed after a suspect vehicle was abandoned near Downing Street. A terrorist plot to launch Mumbai-style attacks on Britain and other European countries has been intercepted by intelligence agencies. Dan Kitwood/Getty Images hide caption

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Rahm Emanuel, on his political aspirations, from "Charlie Rose."

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