A Moscow court has rejected a libel suit filed against a newspaper, by the grandson of Soviet dictator Joseph Stalin, to protect his grandfather's name.In his plea, Stalin's grandson Evgeny Jugashvili had demanded that the liberal Novaya Gazeta, co-owned by last Soviet president Mikhail Gorbachev, should retract parts of an article that said Stalin personally signed death warrants.Novaya Gazeta spokesperson said the article was based on recently declassified documents.