Premise is false
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first of all, Trump is Trump. Attempting to fit him into some style book sleeve is rather foolish.
I would argue the best descriptive is pragmatist on a national scale.
This business of doing what works to achieve the goal of making America great again is a message that has wide appeal. Toeing some theoretical political or social line is not what’s happening. Trump is about no shackles of conventional political correctness or theory. Doing what works seems to have wide appeal and seems to be working