"I have made a terrible mistake with my reckless words," the Marietta Republican, whose district runs into Kennesaw and West Cobb, wrote on her Facebook page.
Those "reckless words" appeared in Wednesday's Marietta Daily Journal in response to Romney's eight-vote victory in the Iowa caucuses.
"I think Mitt Romney is a nice man, but I'm afraid of his Mormon faith. It's better than a Muslim," said Manning, a supporter of New Gingrich's.
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