SPRINGFIELD — Eleven candidates have filed petitions seeking a seat on the Illinois Supreme Court. Between vacancies and retention questions, there will be four seats in play on the November 2020 ballot.Eight candidates from Cook County are running for the 1st District seat vacated by former justice Charles E. Freeman.Three candidates, all 5th District Appellate Court justices in southern Illinois, filed to represent the 5th District seat currently held by Justice Lloyd A. Karmeier. Karmeier announced plans to retire …