The Yomiuri Shimbun (Sep. 10, 2011) Unclear why pro-Pyongyang schools should be free 朝鮮学校無償化 審査再開の根拠が不明瞭だ（9月9日付・読売社説）It is an enigmatic keepsake from former Prime Minister Naoto Kan. 不可解な「置き土産」である…