Brian Stauffer

The dirty secret about international relations is that although everyone agrees about the importance of power, no one can agree on how to define or measure it. There are occasional moments when a consensus exists about the distribution of power: think of U.S. hegemony a generation ago. There are more moments when the relative strength and influence of the great powers remains unclear: think of the last decade of international politics, which was shaped by multiple competing narratives about the rise of China and the decline of the United States. And there are moments when the entire question of

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