korea, trump Trump reportedly improvised calling Kim Jong Un ‘rocket man’ at his UN speech after aides warned him against it September 23, 2017 historyscoper https://www.aol.com/article/news/2017/09/23/trump-reportedly-improvised-calling-kim-jong-un-rocket-man-at-his-un-speech-after-aides-warned-him-against-it/23220680/