From my foreign, relatively-ignorant point of view, he started well. Lots of HOPE.
His shortcomings in honesty and intellect started small, but snowballed remarkably. Ditto his ineptitude at negociation and consensus-building.
Then Covid broke it all open. Even our inept handling of it...
"No, I don't think I will."
--Al Pacino, Scent of a Woman
I'm not hopeful, I'm certain.
In that case, we need to engineer for an infestation of politicians and their idiot supporters.
Thus far the only challenge engineers have proven unable to solve.
Net zero is a great idea, and government action is an essential part of all industrial enterprise. "Anyone who says differently is selling something." --Westley, The Princess Bride
Humans would argue (and kill each other) over the Faber College motto "Knowledge is Good."
It is interesting that the concept of "race" appears nowhere in biology nor taxonomy.
Domain, kingdom, phylum, class, order, family, genus, species.
No race.
Clearly Linnaeus had it all wrong.