In this episode of the History Slam, Sean Graham talks with Neville Thompson about his new book The Third Man: Churchill, Roosevelt, Mackenzie King, and the Untold Relationships that Won WWII. They talk about the historical caricature of Mackenzie King, his friendships with Churchill and Roosevelt, and how he used his personal relationships to improve his diplomatic efforts. They also discuss the importance of the two years prior to the United States entering the Second World War, King’s diary as historical source, and his legacy as a Prime Minister. The book is currently available for pre-order and is set to be released on February 16.