Thomas M. Cushing has been named to fill an at-large Cook County Circuit Court judicial vacancy, the Illinois Supreme Court announced Wednesday.Cushing’s appointment as circuit judge will take effect June 19. He fills the position left by former circuit judge Nicholas R. Ford’s retirement last month. The term runs through December 2020, when the Ford Vacancy will be filled by the winning candidate in the November 2020 general election.“Serving as a judge is the joyful fulfillment of a longtime goal …