ISTANBUL Finland’s President Alexander Stubb has warned that the world has entered “a new nuclear age” as global security tensions intensify and the role of nuclear weapons grows. Speaking at the opening of Finland’s 254th National Defence Course in Helsinki on Monday, Stubb said the country’s security environment has become “harsher than we would prefer,” primarily due to Russia’s ongoing war in Ukraine. “The assessment of our security environment begins with Russia, its objectives and the