A mounting inter-Korean spat over propaganda balloons, amid domestic political developments deemed provocative in both countries, is raising the risk for low-level military confrontation while threatening South Korea’s efforts to begin its COVID-19 economic recovery. Over the past several days, despite the 20th anniversary of the first inter-Korean summit, North Korea has demolished the inter-Korean liaison office in Kaesong, threatened to scrap a 2018 bilateral military agreement aimed at easing inter-Korean tensions, stopped the daily calls between the two governments, and issued several warnings against South Korea's inaction to stop activists and defectors from sending propaganda-laden balloons into North Korea. ...