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Obama defends ACA benefits, confronts cancellation claims

Obama defends ACA benefits, confronts cancellation claims

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4:30
Will changing the sports culture reduce youth concussions?

Will changing the sports culture reduce youth concussions?

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Budget committee begins to air differences on spending

Budget committee begins to air differences on spending

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Author Roger Rosenblatt investigates his Manhattan childhood

Author Roger Rosenblatt investigates his Manhattan childhood

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Bilingual rock-star Julieta Venegas 'feels' in Spanish

Bilingual rock-star Julieta Venegas 'feels' in Spanish

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Sen. Mitch McConnell: health reform law can't work

Sen. Mitch McConnell: health reform law can't work

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Sebelius apologizes over ACA launch 'debacle'

Sebelius apologizes over ACA launch 'debacle'

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Charles Randolph-Wright on 'Love in Afghanistan'

Charles Randolph-Wright on 'Love in Afghanistan'

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Destroying chemical arms production ability in Syria

Destroying chemical arms production ability in Syria

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6:12
Abe's legacy in foreign-policy in 'Lincoln and the World'

Abe's legacy in foreign-policy in 'Lincoln and the World'

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Sen. Susan Collins hopes moderates will return to the GOP

Sen. Susan Collins hopes moderates will return to the GOP

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Lawmakers doubt if more military aid is solution to Iraq

Lawmakers doubt if more military aid is solution to Iraq

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8:40
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PBS News Hour

Blue Mussels Clean and Protect New York Harbor

After the destruction caused by Hurricane Sandy, New York City looks for ways to protect the metropolis from future floods. Civil engineers look to floodgates, but landscape architect Kate Orff is looking at tiny blue mussels for answers. Rebuilding the natural mussel beds and marshes around the city offers natural protection against waves, and they will clean the harbor's dirty waters, she said.
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