Labour unions are rallying across South Korea after Samsung Electronics caved in to protests and agreed to hand out bonuses of more than US$400,000 to some of its employees. Just this week, assembly-line workers at Hyundai Motor staged a three-day partial strike as they seek up to 30 per cent of consolidated profit to be set aside for bonuses. Meanwhile, unions at HD Hyundai Heavy Industries and telecoms operator LG Uplus want payouts equivalent to at least 30 per cent of operating profit, while...