We have been raised to think of the historical process as an essentially cyclical one.
We naturally tend to assume that in our own time, too, history will move cyclically, and slowly.
Yet what if history is not cyclical and slow-moving but arhythmic, at times almost stationary, but also capable of accelerating suddenly, like a sports car? What if collapse does not arrive over a number of centuries but comes suddenly, like a thief in the night?
Niall Ferguson Sun could set suddenly on superpower as debt bites