Perhaps it is not a startling position, but “when a judge earlier had significant, personal involvement as a prosecutor in a critical decision regarding the defendant’s case[,]” that judge must recuse himself or herself from judicial or appellate review. That principal is now enshrined not merely as one of professional conduct, but as a guarantee of Due Process. And this came about in a case with some Temple Law connections. The decision came on June 9 in a 5-3 ruling from the United States Supreme Court in a case from Pennsylvania. In Williams v. Pennsylvania, Terry Williams, a death row inmate, had won a last minute reprieve and the right to a new penalty trial when a Philadelphia Judge determined that “the trial prosecutor had suppressed material, exculpatory evidence…and engaged in ‘prosecutorial gamesmanship.’” When the prosecution appealed that ruling the case went to the Pennsylvania Supreme Court, presided over by then-Chief Justice Ronald Castille. There was only one problem – the Chief Justice had been the District Attorney at the time of Williams’ original trial …