BEIJING: Russian President Vladimir Putin on Saturday emphasized economic ties with China and praised what he called Russia's "all-embracing and strategic partnership" with its neighbor, during a visit to Beijing that takes place against the background of a drop in trade and lingering mistrust. Putin told Chinese Premier Li Keqiang that ties were based firmly on common economic interests, a reference to Russian hopes for Chinese investment and purchases of its oil, gas and military exports. "Our relations really have the character of an all-embracing and strategic partnership," Putin told Li at the start of their meeting at the Great Hall of the People in the heart of Beijing....