Ashlee Rezin Garcia/Sun-Times file Some of Chicago’s best-known civic groups kicked off a campaign Tuesday aimed at creating an independent commission to redraw Chicago’s ward boundaries and make a clean break from the City Council’s history of “gerrymandering to protect incumbents.” By choosing, training and bankrolling a 13-member “people’s commission” with its own “re-districting expert,” Change Illinois and its powerful civic partners hope to create a version of a Chicago ward map capable of attracting the votes of at least 10 aldermen. Any map that receives at least...