2020 look ahead: Japan-South Korea hostilities risk security disaster

Often volatile South Korea-Japan ties have rarely before disrupted economic and security links to the extent seen in 2019. Amid a global slowdown and fallout from the U.S.-China trade war, the countries' $80 billion trade relationship has been hit by new rules and boycotts in sectors from electronics to beer. Tokyo imposing export controls on specialty chemicals needed for semiconductors hit the South Korea electronics sector hard.