The Korean War never really ended. Nearly 70 years after an armistice brought an uneasy peace to the Korean peninsula, talk of war has grown louder amid a volley of military exercises, missile testing and threatening rhetoric from North Korean leader Kim Jong-un and U.S. President Donald Trump alike. As South Korea continues its economic ascent and the world grapples with how to handle a nuclear North Korea, Seoul-based correspondent Kelly Kasulis offers insights from the ground and historical context for a longstanding conflict that now appears to be escalating.