Want to know who the players are in the disparate, fragmented Tea Party movement? National Journal provides a list of the most influential groups involved, from the citizen-activist-originated Tea-Party-centric networks to the borderline-AstroTurf PACs and conservative grassroots operations.

And, if you're wondering about the yet undetermined future of the movement, here's Theresa Poulson's video on reason #3 (#'s 1-5 are here) of why the Tea Parties could fail--being subsumed by the Republican Party:

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