That's a new organization formed by a partnership of the Interfaith Alliance and Americans United for Separation of Church and State. I suspect I will view them very much like I do their parent organizations, agreeing with them most of the time and disagree once in a while. And as usual, I'll be happy to express both points of view.
A similar organization that you and your readers might want to know about is "Jews on First"
which takes a similar view from a (liberal) Jewish perspective.
I'd expect you'd take much the same attitude of agreeing generally, disagreeing on specifics here, Ed. (Thus they -- and I -- are far more sympathetic to regulations against anti-gay hate speech than you are.)
They cover the full spectrum of issues, including Dominionism, LGBT issues, education, ID, 'faith-based' funding (and, Ed, surprised you have yet to comment on the book by David Kuo which strikes me as the final nail in Republicans hoping to keep control of Congress), reproductive rights, etc.
Much worth knowing.