The study and analysis of Great Power Competition is all the vogue in international relations and foreign policy circles. And understandably so, the rise of China, the actions of Russia and America's approach to geo-politics are indeed setting the conditions in which some big global shifts are playing out. But that does not mean one should ignore the role that small states are playing in international politics. If you overlook small states, you are missing a complete picture of international relations today.  My guest today, Tom Long is author of the book  "A Small State's Guide to Influence in World Politics" and associate professor of international relations at the University of Warwick.  He studies how smaller states have successfully shaped internationally affairs to their advantage.