European Union chief Ursula von der Leyen vowed that U.S. tariffs on steel and aluminum “will not go unanswered,” adding that they will trigger tough countermeasures from the 27-nation bloc.; European Union chief Ursula von der Leyen vowed that U.S. tariffs on steel and aluminum “will not go unanswered,” adding that they will trigger tough countermeasures from the 27-nation bloc.
