A Number review - Lennie James and Paapa Essiedu scintillate as father and sons

Old Vic theatre, LondonThe powerhouse duo's effortless chemistry and emotional realism brings Caryl Churchill's cloning tragedy blazing into new life 'They've taken your cells," says a father to his son in a near-future dystopia where the latter has been cloned in an apparently unauthorised "batch". So begins Caryl Churchill's 2002 play, using the concept of cloning to explore identity, inheritance and what makes us uniquely ourselves, written at a time when ethical debates on Dolly the sheep ra...