Prof. Williamson Murray, PhD, is the Director of the Institute's History, Social and Strategic Ideas Program.  Prof. Murray is a distinguished historian with special expertise in military history. He will be featured in the September 20 episode of PBS's History Detectives, focusing on World War II. In the Summer 2011 issue of the Potomac Institute's quarterly newsletter, Focus, Prof. Murray discusses his latest book, The Shaping of Grand Strategy: Policy, Diplomacy and War (Cambridge University Press, 2011).  Click below to watch Prof. Murray's comments on the meaning of "Grand Strategy" and his thoughts on how a knowledge of history is needed to inform policy makers today.