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U.S. Jobs Picture Shows Some Promise, but Many in 'Very...

U.S. Jobs Picture Shows Some Promise, but Many in 'Very...

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Shields, Brooks on Gingrich's 'Skeletons,' Bill Clinton's...

Shields, Brooks on Gingrich's 'Skeletons,' Bill Clinton's...

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Bill Clinton on Obama: 'I Think He'll Be Re-elected'

Bill Clinton on Obama: 'I Think He'll Be Re-elected'

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Conversation: 'Caravaggio: a Life Sacred and Profane'

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Creating Jobs in the Volunteer State: What Are Businesses...

Creating Jobs in the Volunteer State: What Are Businesses...

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For Wind Energy's Future, Researchers Look High in the Sky

For Wind Energy's Future, Researchers Look High in the Sky

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After String of Disasters, Aid Organizations Struggle to...

After String of Disasters, Aid Organizations Struggle to...

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What Would Deficit Limits Mean for Eurozone, Future of Euro?

What Would Deficit Limits Mean for Eurozone, Future of Euro?

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Weekly Poem: 'Prayer for the Hanoi Man Who Waits for...

Weekly Poem: 'Prayer for the Hanoi Man Who Waits for...

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After Surging in Polls, How Could Newt Gingrich Clinch...

After Surging in Polls, How Could Newt Gingrich Clinch...

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10:26
Politics, Race Play Role in Presidential Pardons,...

Politics, Race Play Role in Presidential Pardons,...

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U.S. Postal Service Faces Big Changes Amid Struggle to...

U.S. Postal Service Faces Big Changes Amid Struggle to...

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8:47
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PBS News Hour

For Frequent Fliers, How Big a Concern Is Backscatter...

As millions of Americans take to the skies for holiday travel, some scientists have raised concerns about the small dose of ionizing radiation emitted by backscatter full-body scanners used to screen passengers at U.S. airports. In partnership with ProPublica, Miles O'Brien examines what we do and don't know about the machines.
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