North Korea Threatens To “Invade USA,” Use Weapons “Unknown To The World” Tyler Durden’s pictureSubmitted by Tyler Durden on 08/16/2015 15:40 -0400 http://www.zerohedge.com/news/2015-08-16/north-korea-threatens-invade-usa-use-weapons-unknown-world If Washington does not cancel its planned military exercises with South Korea, North Korea has issued new nuclear threats and says it is ready to use its latest weapons, which “are unknown to the world.” The drills, […]