These Simon and Garfunkel lyrics could apply to the events of this past weekend, the bookends of Jackson Hole and the G-7 meeting. The meaning was best summed up i a Financial Times story that quoted St. Louis Fed President James Bullard, who said, “Something is going on ,and that’s causing I think a total rethink of central banking and all our cherished notions about what we think we’re doing. We just have to stop thinking that next year things are going to be normal.”