United Nations Secretary General Antonio Guterres presents his disarmament agenda at a public lecture at the University of Geneva, on Thursday, May 24, 2018, in Geneva, Switzerland. (Cyril Zingaro/Keystone via AP)
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United Nations Secretary General Antonio Guterres presents his disarmament agenda at a public lecture at the University of Geneva, on Thursday, May 24, 2018, in Geneva, Switzerland. (Cyril Zingaro/Keystone via AP)
