Coatesville senior Rachel McDonald reaches a milestone in style with a Hat Trick By Dave Conard Sports Editor, CoatesvilleTimes.com   COATESVILLE—When Perkiomen Valley head coach Kathy Kelley signed on to take over the girl’s lacrosse program, which has struggled to find their way to the Pac-10 over the past four seasons, she knew there was bound to be challenges, a lot of hard work required...