While it may come as a surprise to the current crop of 17-year-old hedge fund managers, the current period of persistently low long-term interest rates and plunging, near reocrd volatility in the face of a hawkish Fed and rising short-term rates, is hardly new: exactly the same happened from 2004 through 2006, despite the Fed’s continued rate hikes and jawboning. Alan Greenspan, the Fed’s Chair at the time, called this phenomenon a “conundrum” and blamed it on many things, including the global savings glut.