Remember how awkward & uncomfortable he was transitioning with Obama? Trump recognized his own smallness, his own ignorance, and his own lack of education, plus his own unclassiness. And knew he was being exposed to the entire country as being inferior to Obama. He's been poorly faking it since.
JovialJovianHe thought: because a Black man could do it, surely it must be easy, after all he's not negotiating with white people, he's negotiating with Arabs. Because he's profoundly racist.