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Sam Willis is a maritime historian, archaeologist, and broadcaster. He is the author of a number of books on maritime and naval history, including the latest book The Struggle for Sea Power: A Naval History of American Independence.
Dan talks to Simon Mayo about his new historical novel, Mad Blood Stirring, set in Dartmouth prison at Christmas 1814.
Dan chats to Christer Petley about slavery, focusing on one particularly virulent slave-owner called Simon Taylor, one of the most powerful men in Jamaica in the 18th century.
As Donald Trump threatens a trade war with China, Dan talks to Marc-William Palen from the University of Exeter about tariffs, trade wars and the history of free trade.