Former U.S. Senator and Tea Party leader Christine O'Donnell walked out on an interview with Piers Morgan last night after failing to answer his question about her stance on gay marriage.

O'Donnell was on the show to promote her memoir Trouble Maker and tried numerous times to dodge the question. Morgan persistently tried to get an answer and became befuddled at O'Donnell's avoidance of the question as all she would say on the matter was "it's in the book." 

Check out how it all went down:

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