With tensions rising between Russia and Western powers, the U.S. held submarine exercises in the Arctic Ocean – the body of water where the Russian and U.S. subs are likeliest to encounter each other. Via The Foreign Bureau, WSJ’s global news update.   BENEATH THE ARCTIC OCEAN—Five hundred feet below the Arctic ice cap, the USS New Mexico’s crew filled two torpedo tubes. “Match sonar bearings and shoot,” ordered the […]