Policymakers increasingly view China’s rapidly growing wealth as a threat. China currently ranks second, or perhaps even first, in the world in gross domestic product (although 78th in per capita GDP), and the fear is that China will acquire military prowess commensurate with its wealth and...

In 2001, the U.S. gross public debt was about $6 trillion; a decade later it was $14 trillion; by the end of 2012 it exceeded $16 trillion. A large part of that increase was absorbed by foreign holders, especially central banks in China and Japan. With the U.S. government gross debt ratio now in...