An aggressive style has helped Lt. Gov. Juliana Stratton surge in the polls, which have recently swung between her and Rep. Raja Krishnamoorthi.

An aggressive style has helped Lt. Gov. Juliana Stratton surge in the polls, which have recently swung between her and Rep. Raja Krishnamoorthi.

Stratton had the financial and political backing of Gov. JB Pritzker.

Progressives and moderates vie for influence in Democratic primary while House primaries feature competitive races for retiring lawmakers' seats