Gun control supporter backed by New York mayor wins Chicago vote from Reuters: Politics CHICAGO (Reuters) - Gun control supporter Robin Kelly won the Democratic primary for a Chicago area U.S. House seat on Tuesday, propelled by more than $2 million in television ads highlighting the guns issue bankrolled by New York Mayor Michael Bloomberg. feeds.reuters.com/~r/Reuters/PoliticsNews/~3/VxV_LMmBWVg/us-usa-politics-illinois-winner-idUSBRE91Q03K20130227