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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

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

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Budget Debates Focus on Medicare and Social Security

Budget Debates Focus on Medicare and Social Security

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Norfolk Readies for Future Storms, Sea Level Rise

Norfolk Readies for Future Storms, Sea Level Rise

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An Argument Against Cuts to Medicare and Social Security

An Argument Against Cuts to Medicare and Social Security

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News Wrap: Boehner, 'No Progress to Report' on Fiscal Deal

News Wrap: Boehner, 'No Progress to Report' on Fiscal Deal

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Shields and Brooks on Pot Laws, RGIII and Heisman Picks

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

Supreme Court to Review Laws Banning Same-Sex Marriage

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Shields & Brooks on Jobs Report, 'Fiscal Cliff' Negotiations

Shields & Brooks on Jobs Report, 'Fiscal Cliff' Negotiations

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Sharing American History Lessons in 140 Characters or Less

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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