Incapable of serving
From the opinion pages of The New York Times yesterday, 13 of February, 2017, also appearing in print today. Some emphasis mine.

Mr. Trump’s speech and actions demonstrate an inability to tolerate views different from his own, leading to rage reactions. His words and behavior suggest a profound inability to empathize. Individuals with these traits distort reality to suit their psychological state, attacking facts and those who convey them (journalists, scientists).
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