It had been clear for years that China was rising and rising—building rail lines and airports and skyscrapers at a rate that put the United States to shame, purchasing the favor of poorer countries, filling the world with its wares—when, in April 2014, I happened upon a bit of news. Those numbers held when Gallup did the same polling the next year and the next and in 2014, when the portion of Americans choosing China rose to 52 percent and the portion choosing America dipped to 31 percent. He observed that for 10 years running, the percentage of Americans who believed that the United States was on the wrong track had exceeded the percentage who thought it was on the right track.