FILE PHOTO: Federal Reserve Chairman Alan Greenspan testifies about financial services modernization March 19, before a House Banking subcommittee on capital markets, securities and government sponsored enterprises. Greenspan indicated that he would be loath to raise stock margin requirements to try to cool off the equity market. REUTERS/Mike Theiler/File Photo Photo: Mike Theiler/REUTERS
FILE PHOTO: U.S. Federal Reserve chairman Alan Greenspan glances up as he reads a business newspaper during the official opening ceremony of the World Bank/International Monetary Fund annual meeting in Hong Kong September 23. During the previous meetings, developing countries have chided the major multilateral leading agencies for being too slow to help with a problem, saying a good idea was taking too long to get going. Pool via REUTERS/File Photo Photo: POOL Old/REUTERS
FILE PHOTO: Federal Reserve Board Chairman Alan Greenspan puts his hand to his head during press conference at Spasso House, Moscow October 10, 1989 REUTERS/Frederique Lengaigne/File Photo DISCLAIMER: The image is presented in its original, uncropped, and untoned state. Due to the age and historical nature of the image, we recommend verifying all associated metadata, which was transferred from the index stored by the Bettmann Archives, and may be truncated. Photo: Frederique Lengaigne/REUTERS
FILE PHOTO: Federal Reserve Chairman Alan Greenspan testifies before the House Banking Committee at the U.S. Capitol October 1. Greenspan defended a rescue of the hedge fund Long-Term Capital Management, arguing that its failure could have hurt global financial markets and the world economy. REUTERS/Larry Downing/File Photo Photo: LARRY DOWNING/REUTERS
FILE PHOTO: Chairman of the U.S. Federal Reserve Bank Alan Greenspan (L) shakes hands with Japanese Finance Minister Hiroshi Mitsuzuka before their bi-lateral talks in Hong Kong September 20. The two are here to attend the International Monetary Fund/World Bank annual meeting starting on Saturday. Pool via REUTERS/File Photo Photo: BOBBY YIP/REUTERS
FILE PHOTO: Alan Greenspan, Chairman of the Federal Reserve Board (L), makes a statement July 10, 1991, after President Bush (R) announced he was nominating Greenspan for a second term as chairman. REUTERS/Rick Wilking/File Photo Photo: RICK WILKING/REUTERS
FILE PHOTO: FILE PICTURE 1995 - U.S. Federal Reserve Board chairman Alan Greenspan escorts NBC-TV reporter Andrea Mitchell as they arrive at a social event, in this 1995 file picture. Greenspan announced their engagement December 30 1996 and the couple will wed on April 6 in what is considered the wedding-of-the-year in the nation's capital. With the wedding less than two weeks away, neither Greenspan or Mitchell would say exactly where the vows will be exchanged. REUTERS/Staff/File Photo Photo: Reuters Photographer/REUTERS