When the Cornley Polytechnic Drama Society open their latest production, The Murder at Haversham Manor, everything that could go wrong does. This makes for a very difficult evening for the intrepid troupe and a side-splittingly fun evening for you. Support American Theatre: a just and thriving theatre ecology begins with information for all. Please join us in this mission by making a donation to our publisher, Theatre Communications Group. When you support American Theatre magazine and TCG, you support a long legacy of quality nonprofit…