No, there are at least two others. A third is rumored to exist.
Paglia and Rush have done lunch periodically for years. They get along very well, and her lesbianism isn't an issue. She says she just is, but she doesn't run around trying to get into girls' schools to lead away a tithe of virgins, like some of the politically-active groups appear to be trying to do, or demand that other people drop their own definition of what is sexually normative.
Tammy Bruce is another example.