David Williams, inspector general of the United States Posta

UNITED STATES - AUGUST 06: David Williams, inspector general of the United States Postal Service (USPS), testifies about the financial condition of the USPS to the Homeland Security and Governmental Affairs Subcommittee on Federal Financial Management, Government Information, Federal Services and International Security in Washington, D.C., U.S., on Thursday, Aug. 6, 2009. The Postal Service, hurt by the recession and a long-term shift from letters to e-mail, has proposed closing hundreds of branches and eliminating Saturday deliveries. (Photo by Joshua Roberts/Bloomberg via Getty Images)