A version of this story first appeared in CNN Business’ Before the Bell newsletter. Not a subscriber? You can sign up right here.In fact, the only Americans with real memories of runaway inflation and its effect on household finances are likely to be those over the age of 60. Remember (or don’t): US inflation peaked at 14.7% in March and April 1980, with the economy experiencing “stagflation,” a nightmare scenario characterized by weak growth and rising prices.The Federal Reserve finally