Until the late 2010s, there was a widespread view that China's rapid growth and even its political and economic model would make China the number-one power in the world by 2030. But Xi Jinping has pulled back from the reforms of Deng Xiaoping and China is facing growing problems: slowing growth, ballooning debt, endemic corruption, mass dissent, demographic decline and institutional sclerosis. Xi Jinping is preparing China for war, militarizing...