Updated 4:32 p.m. ET, 5/30/2014

Washington (CNN) – Hillary Clinton strikes a defiant tone on Benghazi in her upcoming memoir "Hard Choices" and knocks those "who exploit" the September 11, 2012 terrorist attack as "a political tool," according to a Politico report on the chapter.

The former secretary of state also writes that the attack – which Republicans have used to bludgeon Clinton since the U.S. ambassador to Libya and three other Americans were killed in the incident- is surrounded by a "regrettable amount of misinformation, speculation, and flat-out deceit by some in politics and the media."

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