I see both "big" parties as simply another way of "divide and conquer" (with the conqueror(s) being major international Wall Street types...and no, I can't name who "they" are)
Republicans -- favor business, small and large, but mostly large (primary source of money: gov't and international investors). They try to paint themselves as the party of Mom and Pop stores, and maybe they are, but they are also the party of mega corporations.)
Democrats -- favor "the people" (mainly the low-income people), but they also cozy up to businesses by favoring illegal immigration ( = lower wages all around). They have no problem with taking, or tying up, private property, so long as it's not their property (snail darter, spotted owl), and favor making people dependent on gov't (hence they are pro-gun restrictions = criminals knowing most victims are unarmed = more crime = more jails, more prosecutors, more lawyers, etc)
Libertarians = Some people get fed up with the D's and R's, and they wanted to bail, so a third party was created, allegedly via "spontaneous" means, to contain and render harmless the disgruntled D's and R's, so as to not tip the apple cart.
Tea Party = When the "militia" types ran out of steam, they were still itching to make a dent in the US political scene, so they formed the Tea Party. That's why 99% of their people are right- to far-right politically. But, as dalebert said, "(the Tea Party) has no hope of changing the status quo in any substantial way."
It is just another way of containing people who are disgruntled with the current US political situation.
Make them think they're doing something really cool to change things, and people will stand quietly and wave their pretty little signs...
But, I may be off topic...let's see...the topic was about a group within the Tea Party that appears to be training people to "spot" voter fraud. I wonder if they'll go into nursing homes, and observe that many people with Alzheimers (who can't even hold a pencil, let alone know what a "pencil" is) are registered to vote, and actually do vote, with the nurses' help?
Ah well. Such is life in the Empire.