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.
Neil de Grasse Tyson tells his own story of how a city kid became one of the nation’s few African-American astrophysicists. Today, he is director of the newly-renovated Hayden Planetarium in New York City. He’ll discuss his own career and the latest findings on the physics of the universe.
- Neil de Grasse Tyson author, astrophysicist, and director of the Hayden Planetarium in New York City
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A panel of journalists joins Diane for analysis of the week's top national news stories.
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Cuba releases American contractor Alan Gross after five years' imprisonment on espionage charges. The U.S. releases several Cubans in exchange. Details on the prisoner swap and the future of U.S.-Cuban relations.