Cook County Associate Judge Thomas R. Mulroy Jr. is the president of The Chicago Bar Association. His letter addresses the organization’s ongoing efforts to combat violence in the city. The Daily Law Bulletin reported on the CBA’s first anti-violence summit in May.Gun violence is an epidemic in our neighborhoods.Recently in a Chicago Tribune editorial, Chicago Police Superintendent Eddie Johnson said: “It takes everybody to step up. We need the aldermen, elected officials, clergy, community residents …