Since money was invented, there has been a debate about better ways of creating it and better rules to govern how it works - until the last generation, when it began to seem that the money system had been handed down by God and remained unchanged ever since. But the last few years have seen an increasingly powerful resurgence of interest in changing the system fundamentally, and bringing the monetary trends that affect all our lives under our control. Few realize that the debate has roots and a tradition, covering mainstream economists like Keynes and Hayek, statesmen like Lincoln,...