Every so often (if I am are truly lucky) I get to experience a piece of theatre that leaves me totally awestruck. Last night, at the Wolverhampton Grand Theatre,  was just one of the those nights. The National Theatre production of The Curious Incident of the Dog in the Night-time, a play by Simon Stephens, based on the novel by Mark Haddon, is one of the most astounding pieces of theatre I have ever watched. With a star-making central performance by Joshua Jenkins, and an ensemble cast that would be hard to beat, I left the theatre both laughing and crying about what I had watched. The play is centred…