UPDATE!
Well I stuck it out. Decided I would give it this week and then start applying at other facilities on Monday. Then something blissfully wonderful happened!
I've known for a couple of weeks that we were getting a new male nurse manager. I didn't give this much thought because the last nurse manager was just as knee deep in the gossiping and nit picking as the rest of them. He started on Tuesday. Tuesday was also the day that the Ringleader planned a mandatory meeting for the locked unit employees. I did not attend but was told by the evening LPN that it started off with the Ringleader lecturing about bad attitudes. Then she began pointing people out and in front of everyone, picking apart various members of her staff. This turned into everyone talking at once and bickering like children (her words) so she got up and left. The new nurse manager stayed.
He stopped by last night to check up on us. I introduced myself, told him to stop by anytime and bring food

He told us if we had any questions or concerns to call anytime, day or night. I told him this was not a problem. When he left I asked the supervisor, who has worked there for many years, what she thought of him. She said "Oh he seems like he wants to get things together and clean this place up. He won't bother us as long as we keep doing what we're doing. But dayshift is going to have problems."
So, it seems right now that the tide is turning.

Not holding my breath though.
*edit* didn't realize I used this id.....I'm still hptogram. Sorry for the mix up.