Roger Lowenstein is the author of five books covering financial markets. His latest book, The End of Wall Street, was published in April. Mr. Lowenstein is also the author of an excellent biography on Warren Buffett written in 1995 which we reviewed previously. In an article for the Washington Post today, Mr. Lowenstein makes the case for more timely intervention by the Federal Reserve when financial market bubbles are forming. Read this article for a brief excerpt and more commentary.