President Donald Trump’s will-he-or-won’t-he tariff drama is fraying nerves across the energy industry — even after Mexico and Canada persuaded him to hit the pause button today. His threats to impose steep levies on those countries plus China — the three major suppliers to the U.

Ukraine struck energy facilities in southern Russia with dozens of drones on Monday, triggering fires at a major oil refinery and a gas processing plant and disrupting flights from the Volga to the Caucasus Mountains.