Suburb shift turns state blue
Part 3 of The Christian Science Monitor's 5 part series, “Continental Divide: A look at America's polarized electorate.” The article discusses Illinois as a case of a former swing state now entrenched as a Democratic stronghold. The author points to the Chicago suburbs as the source of the shift to the left.

I haven't finished the entire series yet, but I've skimmed a good chunk.

• Part 1: Inside red-and-blue America
• Part 2: Republican America: How Georgia went 'red'
• Part 4: Different news for different views
• Part 5: Even in a swing state, views are hardened