WASHINGTON – OCTOBER 27: Former Federal Reserve Chairman Alan Greenspan participates in a discussion about the late U.S. Senator Daniel Patrick Moynihan, at the Peterson Institute for International Economics on October 27, 2010 in Washington, DC. The discussion was focused on a collection of letters written by the late senator and edited by his daughter Maura Moynihan in a book titled “Daniel Patrick Moynihan: A Portrait in Letters of an American Visionary”. (Photo by Mark Wilson/Getty Images)

