Do you know what defines a "blue state" in general? It's a state that voted for the Democrat in the last presidential election. If George Bush won in a landslide in 2004 and carried Illinois, would you then be okay with Obama because he was from a red state? Was Bill Clinton a bad candidate in 1996 since he came from Arkansas, at the time a "blue state"?
Illinois is not just any blue state. There is no longer any Republican elected statewide.
Ah, so in addition to being a "blue state", Illinois can also be classified as a "smart state".
Errr, I think it's more like "state containing the city of Chicago"