The Scarecrow is Biden obviously, the Wicked Witch/social worker is, well, that’s obviouser, the Wizard is Obama, he bs’ed his way into the job and promises a whole lot he can’t deliver, the GOP/never Trumpers are the horse of a different (ever-changing) color and Trump is, again obviously, the Good Witch.
The NYTimesWashPostCNNABCNBCCBSetc is the flying monkeys and guards.
Now if we could just build the wall like Oz has…
— Veeshir

IIRC The Wizard was William Jennings Bryant when the book was originally written.
https://en.wikipedia.org/wiki/Political_interpretations_of_The_Wonderful_Wizard_of_Oz
I was wrong, he was the Lion.
I nominate Lindsey-Woolsey Graham as the Cowardly Lion.