A Cook County judge nearly four years ago declared a defendant guilty without allowing either prosecutors or defense counsel to present closing arguments.Recognizing his mistake, Associate Judge Brian K. Flaherty re-opened the case and promised defendant Jermon Little that he would “keep an open mind” despite his earlier declaration. After the defense presented its closing argument, Flaherty found Little guilty.The 1st District Appellate Court on Sept. 28 upheld Little’s conviction, dismissing his calls …