Chicago TribuneSun-Times Media Files for Bankruptcy ProtectionWall Street JournalSun-Times Media Group Inc. (SUTM) has filed for bankruptcy protection, the latest casualty of an extended advertising slump that is reshaping the newspaper industry.Sun-Times files for bankruptcy MarketWatchChicago Sun-Times parent files for bankruptcy USA TodayBloomberg - Editor & Publisher - Chicago Tribune - Chicago Public Radioall 286 news articles