By Denny Dyroff, Staff Writer, The Times  “Hairspray” started out many years ago as a John Waters movie – a typically off-beat Waters piece that eventually became a cult favorite. In 2002, the musical version of “Hairspray” made its debut at Seattle’s 5th Avenue Theatre. Two months later, it opened on Broadway to rave reviews and … Continue reading On Stage: Hairspray returns to Delaware Valley