Francis Fukuyama famously predicted "the end of history" with the ascendancy of liberal democracy and global capitalism. The topic of his latest book is, therefore, surprising: the building of new nation-states.The end of history was never an automatic procedure, Fukuyama argues, and the well-governed polity was always its necessary precondition. "Weak or failed states are the source of many of the world's most serious problems," he believes. He...