It's smoke and mirrors.
They stand on principles to the detriment of the greater good. Attack Obama relentlessly so they'll have a chance of winning in 2012.
Interestingly, I was checking in another discussion group where the conversation was not about politics at all. It's about writing, and the creator of the topic wanted to discuss meanings of words. He started things off by breaking down the definitions of "conservative" and "liberal" and then illustrating how the terms are used today. In the process, he mentioned something about "parroting" what the talking heads say.
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And when he cut open the shark, there was a leg.
- Missy, "Uncle Bob's Leg" (unedited)