Postal Service Delivers More Red Ink

``The rising tide of red ink could leave the Postal Service with a potential cash shortfall of as much as $700 million by its fiscal-year end on Sept. 30, when it must pay as much as $5.8 billion to prefund retiree health benefits. Postal Service officials hope Congress will pass legislation that would increase its ability to borrow from the U.S. Treasury Department before the bill comes due.''