If you think about it, Trump is really a sort of simple and easily understood person.
He has no firm foundation for his ego, but since he’s been pampered and coddled all his life, it’s never faced any significant challenges either. So he’s ended up with this grossly overinflated and terribly fragile ego, and it’s basically a full-time job just keeping it inflated and protecting it from harm.
Even in an era in which Republicans have come to be defined by psychological projection and unintentional irony, Tommy Tuberville calling someone else an imbecile stands out.