Commentary The Fed is about to embark on an epic quest. Like Siegfried’s battle to slay Fafner, the Federal Reserve is about to enter an epic battle with the inflation dragon. The big questions the market has been dealing with are “how many” and “how much”—as in how many increases will they have to make and how high will they have to go to rein in the beast. Higher rates—i.e. a higher cost of capital—will slow the economy along with the inflation beast. But there is, in theory, an upside to this strategy. Savers should start earning more on their money. This time might be the exception. The idea that the rising tide of interest rates will raise all boats—including savers’ deposits—is somewhat of an economic fairy tale. A bedtime story progressives like Sen. Bernie Sanders (I-Vt.) might read to his grandchildren. There is a force of reality that comes …