Last month, President Bush nominated Dr. Ben S. Bernanke, currently chairman of the President's Council of Economic Advisors, as chairman of Federal Reserve Board to replace the retiring Alan Greenspan. Alan Greenspan's replacement comes at a time of heightened fears of inflation resulting from the recent spike in oil prices. First, let's decide what is and what is not inflation. One price or several prices rising is not inflation. When there's a general increase in prices, or alternatively, a reduction in the purchasing power of money, there's inflation. But just as in the case of diseases, describing a symptom doesn't...