The Source (Washington University in St. Louis) - The divide between us: Urban-rural political differences rooted in geography - "A new study by Washington University in St. Louis political scientists finds that it isn’t personal profiles, but rather proximity to bigger cities that drives the political divide."
Tribune Review: Map lets you track your flush to the ALCOSAN plant - "The ... Follow the Flush interactive map allows the public to track the wastewater from their home, or any other address, to the ALCOSAN treatment plant in Pittsburgh’s North Side."