Antigone
Trying to make classical theatre relevant is both easy and very hard. Easy in that texts such as Sophocles's "Antigone" have a timeless quality that has sustained them for several thousand years. Hard in that the details don't always add up to modern minds, and trying to force them, as Polly Findley's does in her mostly intelligent new National Theatre production, can close more doors than it opens.Opening with a rec…