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.
Of all our senses, the sense of smell is most closely tied to mental health and happiness. It was the first of our senses to evolve, yet it often takes a cultural backseat to sight and sound. An expert on smell talks about the psychology, biology and sociology of our olfactory sense.
- Rachel Herz visiting professor at the Department of Psychology at Brown University.
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A panel of journalists joins Diane for analysis of the week's top national news stories.
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