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U.S. Professor Reflects On Return Home To Libya
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Then-gubernatorial candidate Tim Pawlenty and running mate Carol Molnau celebrate their victory at Republican election headquarters on Nov. 6, 2002, in Bloomington, Minn. The former governor says he was inspired by Ronald Reagan — someone who wasn't considered such a hero 30 years ago in Pawlenty's blue-collar neighborhood. Andy King/AP hide caption

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Tim Pawlenty: The Young Reaganite Comes Of Age
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Your iPhone May Be Logging Your Physical Positions
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Apple's iPhone 4 Tracks Where It's Been
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New Pictures Of 'Kill Team' Are Published
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A coke drum waits along Montana's U.S. Highway 12 during a dry-run shipment in early March. The load can travel only late at night and is destined for a new oil refinery in Billings, Mont. Martin Kaste/NPR hide caption

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As Canadian Oil Moves South, Americans Push Back
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Nuclear Reactor Redesigns Aim To Allay Safety Fears
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A mobile phone shows a Skype application. Josep Lago/AFP/Getty Images hide caption

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Web Wiretaps Raise Security, Privacy Concerns
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E-Mails Hacked By 'Anonymous' Raise Concerns
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FBI Tracks Internet Activists Known As 'Anonymous'
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Aprovecho executive director Dean Still lights a "rocket stove." Once the fire is going, it takes only two or three sticks at a time to keep a pot of water boiling. Martin Kaste/NPR hide caption

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Engineers Hone Clean-Energy Stoves For The World
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The home in Tucson, Ariz., where Jared Loughner, charged in a shooting that killed six and wounded more than a dozen, lived with his parents. AFP/AFP/Getty Images hide caption

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Suspect A Puzzle, Even Before Arizona Shooting
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The Singularity: Humanity's Last Invention?
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Investigators In Tucson Build Case Against Loughner
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