Max Hasting's new bestseller on Vietnam is out, and Dan met him to discuss Domino theory, whether it was possible for the US to win the war and the effect the war had on those who fought in it.
Dr Stephen Harrison is a lecturer in Archaeology at the University of Glasgow. His research interests focus on the archaeology of Early Viking Age Ireland and Britain.
Sarah Parcak is 2016 TED Prize winner, Space archaeologist, Professor, scientist, Egyptologist, TED Senior Fellow, and National Geographic Fellow.;This is the final of the 4 part series timed to coincide with the upcoming broadcast of ' The Vikings Uncovered ' on BBC1 and PBS.
To coincide with the upcoming broadcast of ' The Vikings Uncovered ' on BBC1 and PBS next week, Dan takes us behind the scenes and talks about his extraordinary experiences making the show.
