3. No one likes power cuts, least of all authoritarian governments. Many Chinese provinces ran critically short of electricity last fall. Factories suddenly went silent. High-rise office buildings had to be evacuated before their elevators stopped. Chemical factories lost power and, with it, their ability to control the heat and pressure in potentially hazardous operations. In March, President Xi Jinping underlined that he would not let his country turn away from coal without making sure that reliable replacements were in place. “You can’t throw away the eating utensils in your…