books.google.com - Since the end of World War II, the primary political regions of Illinois, Chicago and "downstate, " have lost population, wealth, and political power to a third region, the suburban collar, which has relentlessly expanded outward from Chicago. At the same time, legislative service has changed from a...http://books.google.com/books/about/Illinois_Politics_Government.html?id=9JFP49qn_wUC&utm_source=gb-gplus-shareIllinois Politics & Government