Moderator: Rory Stewart, Ryan Family Professor of the Practice of Human Rights, Harvard Kennedy School and the author of the “The Places in Between” and “The Prince of the Marshes.” 

Tim Mackintosh-Smith is the author of "Travels with a Tangerine" and “Hall of a Thousand Columns” and “Yemen: Travels in Dictionary Land.” He produced the three-part BBC documentary travelogue entitled “The Man Who Walked Across the World” a journey covering 75,000 miles, 40 countries, and three continents.