The conservative Club for Growth, which got involved in GOP primaries in 2010, issued a warning Wednesday for Republican Members of Congress who back a $1.1 trillion omnibus spending bill that includes earmarks.

Chris Chocola, the group’s president, called the bill an “arrogant and unforgivable insult.”

“Any Congressional Republican who supports the Democratic leadership’s porked-up monstrosity would forfeit any claim to fiscal responsibility and economic conservatism,” Chocola said. “Every Republican ‘aye’ vote will likely face a serious primary challenge from the right in their next re-election campaign, and should.”

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