Defence has been in UK Prime Minister Andy Burnham’s sights, as his relentless policy crusade continues. Burnham’s used a recommitment of investment in updating the Trident nuclear submarine programme to repeat his promise of reindustrialising Britain. Questions linger, though, about whether he’ll commit to spending 3 per cent of GDP on defence by 2030. Reporter: Andrew MisraProducer: Helen JohnsonCamera/Editor: Ken McCallum