Historian Matthew Dallek looks at the history behind the Office of Civilian Defense, the country's first agency for homeland security, and the competing visions of those tasked with spearheading the department: New York City Mayor Fiorello La Guardia and First Lady Eleanor Roosevelt.
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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