A simmering dispute over two container ports at either end of the Panama Canal risks becoming a geopolitical flashpoint between the world's two largest economies: the U.S. and China. It follows a contentious decision from Panama's top court voiding a license of a subsidiary of Hong Kong-based CK Hutchison for operating two key terminals on the waterway, through which some 40% of all U.S. container traffic transits every year. The ruling was seen as a major victory for the U.S., given that the