The death of a 31-year-old NHK female reporter in 2013 was determined by labor standards inspectors the following year as caused by overwork, the public broadcaster said Wednesday, providing further evidence of the severe working conditions many Japanese employees endure.A local labor standards office concluded in May 2014 that Miwa Sado, who belonged to the broadcaster's center in Tokyo, worked 159 hours of overtime with only two days off in the one-month period prior to her death as a result of congestive heart failure in July 2013.Prime Minister Shinzo Abe's administration has been seeki…READ FULL ARTICLE