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The lonely superpower

As the US is discovering, it’s not so easy to be the solo heavyweight

Experts have taken for granted that the world, and the United States in particular, is safer since the end of the Cold War — that a unipolar world, with only one dominant power, is the most stable. But a new analysis by political scientist Nuno P. Monteiro finds just the opposite: we may well be better off with another superpower balancing US might, and that stands to change how we handle the powers currently rising abroad.

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