Jamestown Police have charged a city man following a crash early Saturday. Officers responded to a location on the city’s south side shortly before 3:30 AM and found 41-year-old Eric Decker in the driver’s seat of a vehicle that had just struck a parked car, causing substantial damage to both vehicles. Decker allegedly showed signs of impairment and was taken into custody after officers administered field sobriety tests. He was transported to the Jamestown City Jail, where a breath test revealed that Decker allegedly had a BAC more than twice the legal limit. Decker was charged with DWI, aggravated DWI and a traffic violation, and he was issued an appearance ticket for Jamestown City Court…