I don't know if there's a term for this fallacy, but I see it happening all the time. You're trying to break the world down to us-vs-them where "us" is a single

I don't know if there's a term for this fallacy, but I see it happening all the time. You're trying to break the world down to us-vs-them where "us" is a single narrowly defined group and "them" is everyone outside that group. In this case you're incorrectly grouping together classical liberals, neocons, Christian/Jewish/Islamic fundamentalists, Laissez-faire neoliberals, and paleoconservatives. Then being confused why they all disagree on different issues.