The Chicago Sun-Times said that a group of local investors had made a bid to buy the ailing newspaper, which filed for bankruptcy protection in March. The Sun-Times said an investor group called STMG Holdings LLC had offered to buy the Sun-Times Media Group, which includes the flagship newspaper and its sister publications, in a deal worth about 25 million dollars. It said the deal, which would be subject to approval by a bankruptcy court judge, would include up to five million dollars in cash while the investors would take on about 20 million dollars in liabilities. It said the...