Commissioner John Daley and County Board President Preckwinkle will join both outgoing and incoming Clerks of Cook County and several former living Clerks for an unveiling of a mural that captures the history of the Clerk's Office and the legacy services that it provides to Cook County and its residents. The ceremony and unveiling will happening at 1:30 pm on the 5th floor of the George Dunne Administration Building: 69 W. Washington.