Mary Miller seeks a third term representing Illinois' 15th District against a political newcomer in Jennifer Todd.

Democrat Christian Mitchell could become governor if Pritzker wins the White House, while Republican Aaron Del Mar, a combative former Cook County GOP chair, is Darren Bailey’s bridge to the suburbs.

Frustrated Illinois residents in 11 counties will vote on a non-binding referendum to break away from Cook County and form a new state in November.

Meanwhile, the latest model from CBS News show Democrats gaining a slight edge in the House of Representatives and wrestling it back from the Republicans. Lauren Victory reports.

More than 240,000 Chicago voters have requested mail ballots this election, meaning many ballots will arrive before the counting is complete. The state of play: The 19th

Referendum questions about a millionaire tax, a new gunshot detection system, a permanent fairgrounds space and compensation for Midway Blitz damage round out Chicagoans' November midterm ballots. Why it matters: While these are non-binding questions, their answers can help legislators gauge public opinion and decide which laws to pursue. Zoom in: Here are some questions Cook County voters will find on their ballots, along with more localized...