For over nine years, David M. Walker served as the seventh Comptroller General of the United States and head of the US Government Accountability Office (GAO). Walker was also an outspoken and non-partisan advocate for addressing the major fiscal and other national sustainability and government transformation challenges facing the United States. Mr. Walker spoke to NACo attendees during the first general session on Sunday July 13, 2008 about the current economic times our Nation is facing and about the Federal Budget.