Christine O'Donnell considering another Senate bid

(CNN) – Christine O'Donnell, the tea party favorite whose unsuccessful bid for the U.S. Senate in 2010 was punctuated by a television ad proclaiming "I am not a witch," says she's considering another run to represent Delaware in 2014.

"I think I owe that to my supporters, to at least consider a run," O'Donnell told Delaware Online. "People sacrificed. Not only came out of their comfort zone – sacrificed to work hard in order to win the primary. And I think that I owe it to them to give it every consideration."

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In 2010, O'Donnell won Delaware's GOP primary contest against nine-term Rep. Mike Castle, who enjoyed backing from the national Republican establishment. She went on to lose by a large margin to the Democratic candidate, now-Sen. Chris Coons.

During the campaign, an interview emerged in which O'Donnell told talk show host Bill Maher that she had "dabbled in witchcraft" during college. Her campaign later produced a television ad in which she proclaimed, "I'm not a witch. I'm nothing you've heard. I'm you."

More recently, O'Donnell backed Mitt Romney early in the GOP presidential primary season, writing in December that she hoped her endorsement would "cause others to give him a second look."

Romney welcomed the endorsement, writing that O'Donnell "recognizes that excessive government threatens us now and threatens future generations."

If O'Donnell does jump into the 2014 Senate race and wins the GOP nomination, she will again face Coons, who will be up for re-election in two years after finishing out the length of Joe Biden's term. Biden was re-elected to the U.S. Senate in 2008, but gave up his seat to serve as vice president beginning in 2009.