SEOUL: The US energy department put South Korea on a watchlist because visitors to its laboratories mishandled sensitive information, Joseph Yun, the acting US ambassador, said on Tuesday (Mar 18). The designation, which relegated the US ally to the lowest tier of a list that includes China, Iran, Israel, Russia, Taiwan, and North Korea, sparked controversy and debate in Seoul, which said it had not been notified by Washington. "South Korea was put on this list because there was some