A bipartisan group of senators including (from the left) Susan M. Collins, Scott Brown, Joe Lieberman and Thomas R. Carper explain their bill to provide savings for the U.S. Postal Service, which would be used for employee buyouts, and delay for two years the proposed elimination of home delivery on Saturdays. (Associated Press)

A bipartisan group of senators including (from the left) Susan M. Collins, Scott Brown, Joe Lieberman and Thomas R. Carper explain their bill to provide savings for the U.S. Postal Service, which would be used for employee buyouts, and delay for two years the proposed elimination of home delivery on Saturdays. (Associated Press)