Why North Korea is dropping balloons full of rubbish, excrement and even nappies on South Korea

News Snapshot:

This week, North Korea floated hundreds of huge balloons to dump all of that trash across rival South Korea — an old-fashioned, Cold War-style provocation that the country has rarely used in recent years. The South Korean military has reported the balloons were full of manure, cigarette butts, waste batteries and even diapers. The powerful sister of North Korean leader Kim Jong Un confirmed Wednesday that North Korea sent the balloons and attached trash sacks. She said they were deployed to make good on her country's recent threat to "scatter mounds of wastepaper and filth" in South Korea in response...