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.
Inventor and futurist Ray Kurzweil talks about his ideas on how computers and artificial intelligence will change our lives in the 21st century.
- Ray Kurzweil inventor, futurist, and author of "Fantastic Voyage: Live Long Enough to Live Forever," "The Age of Spiritual Machines," "The 10% Solution for a Healthy Life," and "The Age of Intelligent Machines."
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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.