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Who’s Still Listening To America? 23

The world is ruled by a handful of superpowers – each of which dominates its neighboring nations. Harvard government professor Graham Allison joins host Krys Boyd to talk about how this tricky balance of power is maintained – and about what happens when one superpower steps into another’s turf. His essay “The New Spheres of Influence: Sharing the Globe With Other Great Powers” appears in Foreign Affairs.