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Egyptian President Reacts to Clashes Between Protesters

Egyptian President Reacts to Clashes Between Protesters

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With Assad a 'Dead Man Walking,' Efforts Look to Transition

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An Argument Against Cuts to Medicare and Social Security

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Shields and Brooks on Pot Laws, RGIII and Heisman Picks

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Extend Unemployment Insurance Amid Fiscal Uncertainty?

Extend Unemployment Insurance Amid Fiscal Uncertainty?

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Supreme Court to Review Laws Banning Same-Sex Marriage

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Sharing American History Lessons in 140 Characters or Less

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Lawmakers Consider Cutting Tax Deductions to Cut Deficit

Lawmakers Consider Cutting Tax Deductions to Cut Deficit

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PBS News Hour

Coral Reefs Die as Ocean Temperatures Rise, Water Acidifies

In addition to negative consequences caused by overfishing and pollution, coral reefs face another major existential threat: increased acidity from warming oceans. Hari Sreenivasan reports from Florida about the dire outlook for coral reefs, as well as efforts and research to try and save them.
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