Park theatre, LondonNeil LaBute's mordant humour comes to the fore in this three-hander, full of hyper-real dialogue, about the right to choose the manner of our departure Neil LaBute has a good relationship with Park theatre. Two years ago, it staged a production of The Shape of Things that worthily showcased his downright disturbing comedy. Now it premieres his latest work, a contemplative three-hander about our ri…