Over 100 conservative grassroots leaders sent a letter to Republican lawmakers warning that they will face stiff primary challenges if they agree to an unsatisfactory fiscal cliff deal with the Democrats.

“Let us remind you that those same people have always tried to defeat you — yet you won election,” conservatives such as Richard Viguerie, Redstate’s Erick Erickson, Concerned Women for America’s Penny Nance, and Brent Bozell of the Media Research Center,  wrote in the letter to Republican legislators in reference to the Democratic coalition demanding that Republicans raise taxes and authorize stimulus spending.

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