A local teen charged with setting the fire that destroyed a workshop near downtown Dexter pleads not guilty and has a new court date in November.  18-year-old Timothy Keeling of Dexter is charged with 2^nd-degree arson.  Firefighters responded to a store at Stoddard and Sassafras Streets August 17^th.  The shop was fully engulfed and deemed a total loss.  Fire crews suspected arson and two witnesses led to Keeling’s arrest.  The teen admitted to setting the fire with a cigar because he was depressed.  He pleaded not guilty before Judge Stephen Sharp and has a new hearing November 21^st in Bloomfield.