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.
Last year, Gary Hart became the first former U.S. senator to earn a Ph.D. after leaving Congress. His new book is based on his Oxford doctoral dissertation. He talks about the book, and about the commission he co-chaired in 1999 about the U.S.’s vulnerability to terrorist attacks.
- Gary Hart Author and the first former senator to earn a Ph.D. after leaving Congress.
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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.