By CNN's Wolf Blitzer
(CNN) – Having interviewed Michele Bachmann on many occasions, I can attest that she is one tough lady. She is not shy at all about speaking her mind. And that was very obvious at the GOP debate Thursday night in Iowa when she unloaded on Newt Gingrich.
She told him that it was "outrageous" for him to say she gets her facts wrong. "I'm a serious candidate for president of the United States," she declared repeatedly.
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