World leaders react to a historic shift in U.S. policy toward Cuba. Pakistan buries victims of a school massacre by the Taliban. And U.S. officials say North Korea is behind the hacking of Sony Pictures. A panel of journalists joins Diane for analysis of the week's top international news stories.
A discussion about the potential for a nuclear or radiation attack on the U.S. and what can be done to prevent or protect against such an attack.
- Ronald Sagdeev professor of physics at the University of Maryland
- Thomas Graham president of the Lawyers' Alliance for World Security
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A panel of journalists joins Diane for analysis of the week's top national news stories.
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