Life in France will soon feel a little chillier: Thermostats turned down to 19 degrees Celsius (66 degrees Fahrenheit). Cooler showers in homes and hotels. No hot water in the bathrooms of public buildings. And in the City of Light, the Eiffel Tower will go dark early.The French government on Thursday unveiled its biggest energy conservation measures since the 1970s oil crisis, part of a Europe-wide effort to save power this winter as Russia shuts off natural gas supplies to countries that support Ukraine.President Emmanuel Macron has started appearing on French television and Twitter in a black turtleneck instead of a shirt and tie. France’s normally buttoned-up economy and finance minister, Bruno le Maire, announced that sweaters would probably become de rigueur at the finance ministry. It’s all part of an image campaign at the highest levels of government to persuade the French to follow suit.Mr. Macron wants to reduce Fr …
