(Reuters)    China came under pressure from the United States and Asian powers to rein in its actions in the South China Sea, with the U.S. defense secretary urging Beijing to join in on regional cooperation or risk erecting a “Great Wall of self-isolation.” U.S. Defense Secretary Ash Carter encouraged China to participate in a “principled security network” for Asia to help counter concerns about its strategic intentions following “expansive and unprecedented actions” in the South […]