Playground; @sohoplace; Donmar Warehouse, LondonRichard Norton-Taylor and Nicolas Kent's second Grenfell drama is a shocking dissection of negligence; Sophie Okonedo breathes fire as Medea; and Diana Nneka Atuona brings wartime Cardiff to life The inquisitorial plays of Richard Norton-Taylor and Nicolas Kent have altered the theatrical landscape " and changed minds. Most overtly political drama deals in opinions. Ken…
