Chicago Tribune--United Parcel Service Inc and FedEx Corp , which have long been undercut by the U.S. Postal Service's low prices for package delivery, could have much to gain as the agency faces a painful restructuring. Lawmakers are weighing a suite of options for the struggling Postal Service, including ending Saturday delivery, shuttering about 3,600 post offices and hundreds of processing facilities, and scrapping overnight delivery of letters and postcards. Analysts said market leader UPS, given its size, stands to win the lion's share of the packages the Postal Service could lose, although any downsizing is widely seen bolstering the fortunes of FedEx as well. Read more!