With tens of billions of dollars in unfunded pension liabilities, and after years of dithering about what to do, Illinois credit rating is on the brink of a major downgrade whose net effect will be to add some $100 million to the states interest costs.  Scary thing – Illinois is not alone. http://www.suntimes.com/17800327-761/illinois-bond-rating-sinks-to-worst-in-the-nation.html