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 small, mysterious bird has been flying along the Pacific coast since well before Captain Cook mapped those shores. A nature writer reveals why it took 185 years to find its secret nesting place and how it’s now endangered.
- Maria Mudd Ruth author of more than a dozen books on natural history topics and former researcher and writer for The National Geographic Society and editor of Traveler magazine.
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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.