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Gloria Cain, wife of Republican presidential candidate Herman Cain, says claims of sex harassment against her husband left her wondering who his accusers are talking about.

"To hear such graphic allegations and know that that would have been something that was totally disrespectful of her as a woman, and I know that's not the person he is. He totally respects women," Gloria Cain told Fox News' Greta Van Susteren in an interview that aired Monday night.

Four women have accused the businessman of sexually harassing them when he led the National Restaurant Association between 1996-1999. The most recent accuser, Sharon Bialek, is the only one to go on record publicly.

"I looked at especially this last lady and the things that she said, and I'm thinking, 'He would have to have a split personality to do the things that she said,'" Gloria Cain said of Bialek.

Cain has denied wrongdoing and has been trying to move forward in his presidential campaign. Bialek's ex-boyfriend came out before cameras on Monday afternoon to give his recollection of events at the time. He acknowledged meeting Cain in 1997 and said Bialek complained later that year that Cain had inappropriately touched her.

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Despite the persistent charges, the latest poll by Politico, which broke the sexual harassment story, shows Cain still sitting atop the field with 27 percent though his favorability ratings, particularly among women, have dropped throughout the past week. The poll was taken Nov. 6-9, after the Cain accusations began.

Cain, whose wife of 43 years is a registered Democrat, says she is his rock. The two were married in 1968, have two adult children -- a daughter, Melanie, and a son, Vincent -- and two grandchildren. Melanie and Vincent were also interviewed by Van Susteren.

Gloria Cain said she doesn't often think about living in the White House.

"Sometimes I let myself go there, but then I try to pull myself back in that I don't want to start projecting too far in the future because I would worry more, and I try to take one day at a time. And in that way, if or when, that happens, then I have faith that the Lord will have me ready to do whatever I need to do that's going to help him," she said.