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Weeks After Iraq Withdrawal, Obama Announces Plans to...

Weeks After Iraq Withdrawal, Obama Announces Plans to...

Weeks After Iraq Withdrawal, Obama Announces Plans to...

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Preview: Huntsman Ready for New Hampshire Battle

Preview: Huntsman Ready for New Hampshire Battle

Preview: Huntsman Ready for New Hampshire Battle

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News Wrap: Another Wave of Bombings in Iraq Kills at...

News Wrap: Another Wave of Bombings in Iraq Kills at...

News Wrap: Another Wave of Bombings in Iraq Kills at...

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GOP Hopeful Huntsman Looks to 'Blue Sky' in New Hampshire...

GOP Hopeful Huntsman Looks to 'Blue Sky' in New Hampshire...

GOP Hopeful Huntsman Looks to 'Blue Sky' in New Hampshire...

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How the U.S. Auto Industry Picked Up Speed in 2011

How the U.S. Auto Industry Picked Up Speed in 2011

How the U.S. Auto Industry Picked Up Speed in 2011

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GOP Candidates in New Hampshire, South Carolina Jab at...

GOP Candidates in New Hampshire, South Carolina Jab at...

GOP Candidates in New Hampshire, South Carolina Jab at...

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Panetta on Pentagon Budget: 'Cutting Almost $500 Billion...

Panetta on Pentagon Budget: 'Cutting Almost $500 Billion...

Panetta on Pentagon Budget: 'Cutting Almost $500 Billion...

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Are Super PACs Living Up to Supreme Court's Intentions?

Are Super PACs Living Up to Supreme Court's Intentions?

Are Super PACs Living Up to Supreme Court's Intentions?

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New Study Gauges Teachers Impact on Students' Lifetime...

New Study Gauges Teachers Impact on Students' Lifetime...

New Study Gauges Teachers Impact on Students' Lifetime...

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Conversation: Joan Didion

Conversation: Joan Didion

Conversation: Joan Didion

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Unemployment Dips to 8.5%, but How Is Overall U.S....

Unemployment Dips to 8.5%, but How Is Overall U.S....

Unemployment Dips to 8.5%, but How Is Overall U.S....

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Shields, Brooks on Encouraging Jobs Numbers, Roughing Up...

Shields, Brooks on Encouraging Jobs Numbers, Roughing Up...

Shields, Brooks on Encouraging Jobs Numbers, Roughing Up...

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PBS News Hour

Under the Sea Near Antarctica, 'a Riot of Life'...

Scientists discovered many new species on the floor of the Southern Ocean near Antarctica -- something they're describing as a "riot of life." Jeffrey Brown speaks with former oceanographer Mark Schrope about the newest known species of sea life found around hydrothermal vents.