Chad Dempski, a seventh grader at Marshall Middle School who had a 714 series earlier this season, fired a perfect game in a 709 series at Prairie Lanes Saturday to highlight Madison bowling over the weekend. His dad, Dave Dempski, said in an e-mail that Chad turned 13 in December, which I believe makes him the youngest bowler in Madison area bowling history to record a perfect game. Cody Starczynski...