Eric Henderson is Managing Editor, Midwest for CBSNews.com. He has won three Emmy Awards, an Eric Sevareid Award and two Edward R. Murrow Awards.

Mapmaking in Illinois ... And in districts packed with voters from either party, there often is no competition. “The volume of uncontested races means that almost half of the state ...

Illinois voters hit the polls Tuesday ... including all 17 of the state's congressional districts and the Cook County State's ...