Update: Comments from Raymond J. McKoski, vice chair of the Illinois Judicial Ethics Committee and a former circuit judge in Lake County, were added to the story.The American Bar Association’s rules for judicial conduct specify when jurists should recuse themselves based on ties to litigants.But this week the ABA elaborated more, issuing a formal opinion on who counts as acquaintances, friends and beyond and what judges should do when those people are involved in a case before them.Model Code of Judicial Conduct Rule …