CHATTANOOGA (Times Free Press) - U.S. Sen. Bob Corker could find himself among moderate Republican lawmakers facing tea party-backed challenges in 2012 GOP primaries, conservative activists warn.

Some activists, upset with the first-term senator for supporting the 2008 bank bailout and for reaching out to Democrats in areas such as financial regulatory reform this year, say they'll be keeping an eye on the Chattanooga Republican.

"Should he not evidence his conservative bona fides in the new year, then it is highly likely that the tea party movement in Tennessee will look for a candidate who will contend for his job in 2012," Memphis Tea Party Chairman Mark Skoda said last week. "It's that simple."

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