File photo of U.S. Postmaster General Donahoe speaking during Senate hearing on Capitol Hill in Washington

 
File photo of U.S. Postmaster General Donahoe speaking during Senate hearing on Capitol Hill in Washington
U.S. Postmaster General Patrick Donahoe speaks during a Senate hearing on "U.S. Postal Service in Crisis: Proposals to Prevent a Shutdown" on Capitol Hill in Washington, in this September 6, 2011 file photo. Donahoe said in prepared testimony that spinning off its health plan could reduce operating costs and potentially eliminate a massive payment due each September to prefund retiree health benefits. Picture taken September 6, 2011. REUTERS/Kevin Lamarque/Files (UNITED STATES - Tags: BUSINESS EMPLOYMENT HEADSHOT)