China’s State Grid Corp. already dominates its home market, operating most of the electricity grid that powers the world’s second-largest economy. Now it has big plans for the world: a $50 trillion global power network that harnesses Arctic winds and equatorial sunlight.  Read the full story here (http://www.wsj.com/articles/chinas-state-grid-envisions-global-wind-and-sun-power-network-1459348941) to get the details.