Washington (CNN) - It's been widely reported. The Republican Party is locked in battle. Establishment Republicans are being challenged by insurgents hoping to purify the brand and return the GOP to small government, free market principles.
The conservative grassroots are organizing this election season to elect their preferred, ideologically pure candidate, even if that means unseating House and Senate incumbents. It's a strategy they had in 2010 and 2012 with mixed results.