If Obama did it, Trump will undo it. Period. That is his agenda - to erase Obama from the history books as much as he possibly can. From healthcare to the Paris accords to Cuba, it is extremely easy to predict Trump’s stance. What seems inconsistent is actually the one consistent thing about him.
It is like his prime directive.
And Flake, unfortunately, is more worried about being primaried from the right than in actually doing anything for his constituents. All of his tendencies toward reasonableness get washed away by the same acid bath that saturates the Republican party and continues to give us crazier and crazier ideologues. I wish it was just a Republican problem, but it is actually the biggest problem facing our country.