01544nam 2200373 a 450 991069571180332120070427154822.0(CKB)5470000002372667(OCoLC)123772358(EXLCZ)99547000000237266720070427d2007 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierUnited States Government Accountability Office[electronic resource] supporting the Congress through oversight, insight, and foresight : testimony before the Committee on Homeland Security and Governmental Affairs, U.S. Senate /statement of David M. Walker[Rev. ed.][Washington, D.C.] :U.S. Govt. Accountability Office,[2007]22 pages digital, PDF fileTestimony ;GAO-07-644 TTitle from title screen (viewed on Apr. 26, 2007)."For release ... March 21, 2007."Paper version available from: U.S. Govt. Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.Includes bibliographical references.United States Government Accountability Office Walker David M(David Michael),1951-1380682United States.Government Accountability Office.GPOGPOBOOK9910695711803321United States Government Accountability Office3439552UNINA