If China sees itself as the heir and beneficiary of the US-led post-war international system, it must do much more to prevent and roll back nuclear proliferation in Iran and North Korea, pay a much greater percentage of costs for the United Nations, and curtail its mercantilist policies. It must also end its alleged corrupt practices in resource-rich parts of the developing world, align its currency policy with global norms, lead efforts to curb greenhouse-gas emissions, and, more generally, take into more account the fate of people outside of China in its decision-making.