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.
Alexander Graham Bell is best remembered as the father of the telephone. But a science journalist found evidence that the credit actually belongs to a lesser known inventor. He presents the surprising story behind one of history’s most important and lucrative inventions
- Seth Shulman author, editor, and journalist specializing in issues in science, technology, and the environment. His most recent books include "Unlocking the Sky" and "Owning the Future."
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A panel of journalists joins Diane for analysis of the week's top national news stories.
Bioengineers are creating human body parts to replace organs and manage life-threatening diseases. How techniques like 3-D printing and stem cell research are driving medical advances and raising ethical questions
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.