Japan marked the 26th anniversary Saturday of AUM Shinrikyo cult's sarin nerve gas attack on the Tokyo subway system that killed 14 people and injured over 6,000 others, amid calls for tighter monitoring of its successor groups.Officials of the subway operator, Tokyo Metro Co., and relatives of the victims observed a moment of silence at a memorial service at Kasumigaseki Station at 8 a.m., around the same time when the deadly sarin agent was scattered in train cars on March 20, 1995.Two Tokyo Metro employees at the station were among the 14 killed in the terror attack. Shoko Asahara, the d…READ FULL ARTICLE