The money-moving world waits on tenterhooks for the Wednesday appearance of America’s oracle, Janet Yellen, to step out of her grotto and state whether or not she feels twinges of patience. Wikipedia notes that Pythia, the original priestess of Delphi “…delivered oracles in a frenzied state induced by vapors rising from a chasm in the rock, and that she spoke gibberish which priests interpreted as the enigmatic prophecies preserved in Greek literature.” Some things never change.