Democratic Sen. Tammy Duckworth is wading into the open primary to succeed longtime Sen. Dick Durbin, endorsing Lt. Gov. Juliana Stratton to join her in representing Illinois in the Senate.

Sen. Tammy Duckworth endorsed Lt. Gov. Juliana Stratton for Senate, giving Stratton backing from a second top state Democrat.

Illinois Lt. Gov. Juliana Stratton was endorsed by Sen. Tammy Duckworth in the primary to succeed the retiring Democratic Sen. Dick Durbin.