If you consider yourself a Christian yet you reject core tenets of the historic Christian faith, you have to replace them with something. Many who reject the Gospel embrace the Social Gospel. Think Robin Meyers.
Some folks gravitate to a particular denomination in the religious left -- environmentalism, for example, or universal health care coverage. But I suspect that few could match the religious fervor of the unionized government educators in this video clip, filmed at the 2007 annual convention of the National Education Association. (Based on the raising of hands, it appears the religion of unionized agnostic education is a charismatic branch of the religious left.)
Preparest thyself to be creeped out: