The futurist and physicist talks about mankind's next giant leap.
The news has overshadowed developments in the high-tension verbal sparring between North Korea and the United States, Vice President Mike Pence’s trip to Latin America and a round of international trade talks.
The world is also sending condolences to Spain after a van attack killed at least 13 people and injured about 80 others.
- James Kitfield Senior fellow, Center for the Study of the Presidency and Congress; contributing writer, Atlantic Media; author of "Twilight Warriors: The Soldiers, Spies and Special Agents Who Are Revolutionizing the American Way of War"
- Nadia Bilbassy Washington bureau chief, Al Arabiya
- Mark Landler White House correspondent, The New York Times; author of "Alter Egos: Hillary Clinton, Barack Obama, and the Twilight Struggle Over American Power"
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