Blue/Orange, Theatre Royal Brighton
There's a vivid moment in this Joe Penhall revival when Christopher, a psychiatric patient suspected of suffering from paranoid schizophrenia, finds himself caught in the linguistic crossfire between his two rival care-givers. Oblivious to everything but their argument, the doctors continue to shout across their subject as he sinks to the floor, the tormented vertex in a taut dramatic triangle. Never mind the ones in…