The fast-worsening trade war between the United States and China — the planet’s premier geopolitical powers, whose economies are intricately entwined — threatens to wreak severe damage on both nations and will send shockwaves worldwide.

As U.S. President Donald Trump turns up the tariff heat on China, Beijing is targeting ever more of the United States' critical material supply chains.

President Donald Trump bragged that many foreign leaders were “kissing his ass” to avoid the steep tariffs he’d imposed on their countries. But China’s leader, Xi Jinping, was not one of them. “We are waiting for their call,