South Korea was placed on a U.S. Department of Energy watchlist because visitors to its labs mishandled sensitive information, Joseph Yun, acting U.S. ambassador to South Korea, said Tuesday. https://www.japantimes.co.jp/news/2025/03/18/asia-pacific/politics/south-korea-us-watchlist/?utm_medium=Social&utm_source=mastodon #asiapacific #politics #southkorea #us #nuclearweapons