Barbican; Lyric Hammersmith; Southwark Playhouse, LondonComplicité's masterly take on Olga Tokarczuk's eco-thriller is unforgettable; Daniel Rigby excels in Fo's all too timely classic; and Silvio Berlusconi is in dire need of some good tunes A woman in her 60s, wearing a shabby tracksuit top and holding a carrier bag, stands in the middle of the wide Barbican theatre stage. She is speaking from behind a mic. She do…