.AS ANY PERSON WHO has feuded with a neighbor recognizes, ditching rubbish over the hedge is a significant escalation. So picture South Korea's temper at the North, which has actually sent some 2,000 balloons, each lugging around 10kg of scree, across the border because May 28th. The most current arrangement, numeration around 350, began getting there on June 24th. According to the South, the bags included newspaper, outdated garments and parasites that most likely came from human faeces. Why is North Korea delivering its own rubbish south?