Not so long ago, a high-ranking Chinese official, who obviously had concluded that America’s decline and China’s rise were both inevitable, noted in a burst of candor to a senior U.S. official: ‘But, please, let America not decline too quickly.’ Although the inevitability of the Chinese leader’s expectation is still far from certain, he was right to be cautious when looking forward to America’s demise.

For if America falters, the world is unlikely to be dominated by a single preeminent successor — not even China. International uncertainty, increased tension among global competitors, and even outright chaos would be far more likely outcomes.

While a sudden, massive crisis of the American system — for instance, another financial crisis — would produce a fast-moving chain reaction leading to global political and economic disorder, a steady drift by America into increasingly pervasive decay or endlessly widening warfare with Islam would be unlikely to produce, even by 2025, an effective global successor. No single power will be ready by then to exercise the role that the world, upon the fall of the Soviet Union in 1991, expected the United States to play: the leader of a new, globally cooperative world order. More probable would be a […]