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Christine Lagarde on Avoiding the 'Fiscal Cliff'

Christine Lagarde on Avoiding the 'Fiscal Cliff'

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1:34
IMF Warns of "Tepid" U.S. Recovery, Offers Policy Advice

IMF Warns of "Tepid" U.S. Recovery, Offers Policy Advice

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9:28
How Will the Health Care Law Work? Americans Ask, We Answer

How Will the Health Care Law Work? Americans Ask, We Answer

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8:52
From Mayberry to Matlock, Andy Griffith Remembered

From Mayberry to Matlock, Andy Griffith Remembered

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3:27
It's an Election Year, and We're Listening

It's an Election Year, and We're Listening

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1:48
Pakistan: Ally, Adversary or Conditional Partner?

Pakistan: Ally, Adversary or Conditional Partner?

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1:21
Christine Lagarde on U.S. Economic Recovery

Christine Lagarde on U.S. Economic Recovery

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2:12
Pena Nieto Outlines Agenda on Drug Trafficking, Economy

Pena Nieto Outlines Agenda on Drug Trafficking, Economy

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9:21
Danger Rises with Prolonged Searing Heat, Maryland Gov. Says

Danger Rises with Prolonged Searing Heat, Maryland Gov. Says

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3:13
Examining Supreme Court Session Through the Lens of History

Examining Supreme Court Session Through the Lens of History

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9:51
Declaration Signers

Declaration Signers

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2:31
Physicists Discover Clear Evidence of Elusive Higgs Boson

Physicists Discover Clear Evidence of Elusive Higgs Boson

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2:34
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PBS News Hour

Alan Alda's 'Flame Challenge' Aims to Communicate Science

Clarity, specificity and humor are among the best tools for making kids grasp even simple questions like "What is a flame?" Science correspondent Miles O'Brien talks to actor Alan Alda and scientist Neil deGrasse Tyson about the need to explain science concepts to the public.