PARIS (AP) — Fanning out like urban guerrillas through Paris’ darkened streets well after midnight, the anti-waste activists shinny up walls and drain pipes, reaching for switches to turn off the lights. Click. Click. Click. One by one, the outdoor lights that stores had left on are extinguished. It’s one small but symbolic step in a giant leap of energy saving that Europe is trying to make as it rushes to wean itself off natural gas and oil from Russia so factories aren’t forced to close and homes stay heated and powered. The stakes are high. If Russia severs the...