So many authors and pundits today attempt to predict China’s future by looking at the numbers: GDP, population, military spending, trade surplus, environmental measurements. Taking any combination of these figures, it is easy to declare that China is either a rising superpower, destined for world domination, or a teetering giant, bound only for disaster. The fact that both perspectives can—and have—been argued indicates the complexity of China’s situation and the inability of statistics to predict much of anything. Rob Gifford, former Beijing correspondent for National Public Radio, took a three thousand mile-long journey along China’s Route 312, from Shanghai to the border with Kazakhstan, in his own effort to answer the question, “Which i...