Here’s what Trump said when questioned about Wray on Hannity a few weeks ago. You have to see it to believe it. Not only does he say that he appointed Wray “because Democrats liked him” he also says “only time will tell” if Wray should be fired.
https://www.youtube.com/watch?v=Eo8cP3YECdQ
If Trump is the last man standing I’ll certainly support him. But his current behavior is making it ever so difficult to do so in the primaries.