Putin brandishes a new nuclear-powered missile as he digs in over Russia's demands on Ukraine

Facing Trump’s call for a quick ceasefire and bruising, new U.S. sanctions on Russia’s oil industry, Putin is again reminding the U.S. and other Western allies of Kyiv about his nuclear arsenal to back his longstanding, maximalist demands. The Burevestnik, which means “storm petrel” in Russian, is the world’s first nuclear-powered missile.