Is there anything more ferocious than a former Republican?

Joe Walsh, for all intents and purposes a founding member of the 2010 Tea Party movement, discusses his disillusionment to the far right. There's just no comparison between the right and left when it comes to the gift of speaking their mind: The right has cornered that market pretty much entirely. So when one of them also migrates over to the substance-based "market" of the left, it always calls for popcorn..

Is there anything more ferocious than a former Republican?
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