South Korea is set to appoint a train driver as the first blue-collar worker to lead its employment and labour ministry, as critics have expressed concerns about the role being entangled by influence peddling from politicians and labour unions.Kim Young-hoon, 57, was in his driver’s seat operating a train between Busan and Gimcheon, southeast of Seoul, when the news broke of President Lee Jae-myung’s cabinet selections on Monday.With his phone turned off, Kim said he had not learned about the...