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.
ABC World News Tonight producer Tom Nagorski tells the harrowing World War II story of a passenger ship en route to Canada with 90 British children aboard that was torpedoed and sunk by a German submarine in the North Atlantic.
- Tom Nagorski senior broadcast producer for ABC's World News Tonight.
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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.