President Lee's approval rating falls back to 39%: poll

President Lee Jae Myung's approval rating has slipped to below 40 percent following a brief rebound last week, a poll showed Friday. The survey, conducted by Gallup Korea from Tuesday through Thursday on 1,000 people aged 18 and older, showed that positive assessments of Lee's performance fell 1 percentage point from a week earlier to 39 percent. Negative assessments also…