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.
The Black Death killed a third of the known global population in the middle of the 14th century. A writer specializing in science and medicine draws on first-hand accounts to paint an intimate portrait of the greatest natural disaster to afflict humanity. He looks at new theories claiming the outbreak was not bubonic plague, but perhaps anthrax or a disease like Ebola.
- John Kelly author or coauthor of nine previous books, including "Three on the Edge: The Story of Ordinary Families in Search of a Medical Miracle."
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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.