CHICAGO — Days away from the inaugural Blues Brothers Con, one starts to wonder: Do I have my suit pressed, and are my hat and shades at the ready to “shake a tail feather"? In a world where film franchises and TV series have their own conventions, the iconic 1980 Chicago film “The Blues Brothers” finally gets its own, Friday and Saturday at Old Joliet Prison. Fans and aficionados of the brothers will be treated to sights and sounds from the movie, according to Greg Peerbolte, CEO of the nonprofit Joliet Area Historical Museum which is hosting the festival. Those sounds Friday come from the li...