Find another job. I do not work nor associate with libs (that I know of, some may hide it well).
I’m 59 years old with a lot of seniority there. It’s not a good job market out there, even for nurses and especially for old ones.
Find another job, and then file a complaint against her for creating a “hostile work environment”.
Let your lawyer (who will work on a contingency) pursue it until you get an out of court settlement.
Play mean with those who are mean.
Good for you, but some of us don’t have that luxury.