(McMinnville, OR)  --  Police say a McMinnville teenager reported being hit in the back with a blow-dart as he was jogging in a local park.  KPTV reports the incident happened as the teen was jogging Tuesday evening along the shoulder of a road in Joe Dancer Park with his high-school cross-country team.  The teen, who wasn't seriously hurt, reported seeing a small, older-model light-blue pickup truck passing by at the moment he was hit.  The truck had horizontal lines running along the side panels.