Open this photo in gallery: Pope Francis delivers his yearly address to the diplomatic corps accredited to the Vatican, at the Vatican, on Jan. 8.VATICAN MEDIA/Reuters Pope Francis, tackling conflicts in the Middle East and Ukraine in his yearly address to diplomats, said on Monday that “indiscriminately striking” civilians is a war crime because it violates international humanitarian law. Francis, 87, made his comments in a 45-minute address to Vatican-accredited envoys from 184 countries that is sometimes called his “state of the world” speech. In it, he also talked about conflicts in Africa and Asia, migration crises in the United...