Also, there isn't one source that can represent the "conservative" viewpoint because there isn't one conservative viewpoint. There are many factions within the Republican party with sometimes shockingly different points of view. Just like the Democratic party representing the "liberal" agenda.
I could just as easily ask, where is the one source I go to get an understanding of the liberal agenda? (Just a rhetorical question, I actually don't follow the news and don't plan to.)