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Deadly Black Lung Disease Rises Among Coal Miners

Deadly Black Lung Disease Rises Among Coal Miners

Deadly Black Lung Disease Rises Among Coal Miners

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Concierge Medicine: Greater Access for a Fee

Concierge Medicine: Greater Access for a Fee

Concierge Medicine: Greater Access for a Fee

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Disappearing Dead: Economic Optimism about Immortality

Disappearing Dead: Economic Optimism about Immortality

Disappearing Dead: Economic Optimism about Immortality

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Political Checklist: Tax Cut Talk, and Who's the Underdog

Political Checklist: Tax Cut Talk, and Who's the Underdog

Political Checklist: Tax Cut Talk, and Who's the Underdog

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New Book Details Obama's Search for Himself

New Book Details Obama's Search for Himself

New Book Details Obama's Search for Himself

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Nuclear-Armed Iran Would Bring 'Stability' But Risks

Nuclear-Armed Iran Would Bring 'Stability' But Risks

Nuclear-Armed Iran Would Bring 'Stability' But Risks

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Weekly Poem: Tracy K. Smith Reads From 'The Speed of Belief'

Weekly Poem: Tracy K. Smith Reads From 'The Speed of Belief'

Weekly Poem: Tracy K. Smith Reads From 'The Speed of Belief'

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Obama Pushes Middle Class Tax Cut Extension

Obama Pushes Middle Class Tax Cut Extension

Obama Pushes Middle Class Tax Cut Extension

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8:52

Extreme Weather Records 'Like a Baseball Player on Steroids'

Extreme Weather Records 'Like a Baseball Player on Steroids'

Extreme Weather Records 'Like a Baseball Player on Steroids'

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10 Questions with Wikipedia Founder Jimmy Wales

10 Questions with Wikipedia Founder Jimmy Wales

10 Questions with Wikipedia Founder Jimmy Wales

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8:30

AIDS in Black America: 'We Can Win this Battle'

AIDS in Black America: 'We Can Win this Battle'

AIDS in Black America: 'We Can Win this Battle'

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Russian Blackouts, Neutrality and Trusting Wikipedia

Russian Blackouts, Neutrality and Trusting Wikipedia

Russian Blackouts, Neutrality and Trusting Wikipedia

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PBS News Hour

Who Is This Syrian Defector?

Andrew Tabler of The Washington Institute explains who Syrian defector Brig. Gen. Manaf Tlass is, his next steps and what his defection means for the U.S.