I don't want to be an asshole, but…instead of prancing around like you actually know something why not correct what you think is "certainly categorically incorrect".
There's no quick fix for this level of misapprehension. You would just have to start at the beginning, Political Theory 101, bust out your copy of Plato's Republic and read your way back to the present.
You've added nothing to this discussion and look like a dick to boot.
Moreover - I usually find that people who know something well should be able to summarize/explain it to laymen. Those who resort to 'Oh, you are so wrong, it would take years of study for you to begin to appreciate how complicated an issue this is' do not.
No, it would take about one semester to begin to understand why two parties representing two branches of the liberal tradition within political theory cannot represent "most of political theory." Just like it would take about a semester of intro level computer science to understand that "most of programming" cannot be reduced to the differences between Obj-C and Java along two criteria (e.g. typing discipline and messages/methods). Anyone who claimed such a thing would be wildly, objectively, prima facie wrong about the history/diversity/breadth of programming—certainly not the top post.
