Three years ago, Alan Greenspan was hailed as "the greatest central banker who ever lived." Now, as turmoil has overtaken the financial markets, many are criticizing Greenspan's actions during his 18 years as chairman of the Federal Reserve. Greenspan is now seeking to set the record straight not only for the sake of his reputation, he says, but in order to avoid future crises. "The [wrong] evaluation of this period -- and how to avoid the problems associated with it -- will give you the wrong answers and the wrong policies," he said. Read the text of Greenspan's interview with The Wall Street Journal.