From the article:
When it comes to dealing with the G-20, Trump is already facing a tough audience, since the very nature of the forum makes it difficult to negotiate one-on-one, says Scott Morris, senior fellow and director of the U.S. Development Policy Initiative at the Center for Global Development. "He is the president of the United States. They are forced to deal with him and his team, because they want to make progress on issues," Morris says, and foreign leaders have to put their personal feelings aside.
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