Central banking is magic. With a few words, the Fed can lift the stock market out of desperation and catapult it towards euphoric highs. With a few keystrokes, the Fed can conjure up trillions of dollars and fund virtually unlimited Federal spending. And with a few poor decisions, the Fed can plunge the entire world into a recession. The Federal Reserve is one of the most powerful institutions in the world, and also one of the most difficult to understand...