Casten Heppner's 2002 Crown Victoria made an impact on the competition while he represented Box Elder/Big Sandy in the Chouteau County Fair's demolition derby last weekend. "We are at the Mayhem on the Mighty Mo getting ready to wreck some cars," Heppner explained with, what he called, a 'cheesing it' grin on his face in advance of the evening's fun. This was Casten's 12th appearance in the local derby since his debut drive 17 years ago. At the age of 14, before getting he'd gotten a drivers license, he was already mixing it up with the competition. "Mom and dad had to sign a waiver and get it...