WASHINGTON (AP) - Herman Cain's wife says the claims of sex harassment against the GOP presidential candidate don't ring true because he "totally respects women."

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Gloria Cain told Fox News' Greta Van Susteren: "I'm thinking he would have to have a split personality to do the things that were said."

In an interview to be aired Monday during the show "On the Record," Gloria Cain said she can't believe the claims he harassed women when he led the National Restaurant Association in the 1990s.

"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," she said. "He totally respects women."

Excerpts of the interview were released Sunday.

Four women have now accused Herman Cain of sexually harassing them when he led the National Restaurant Association. He has denied wrongdoing and has been trying to move forward in his presidential campaign.

Cain's wife of 43 years is often described as "gentle" and "the nicest woman you'll ever meet."

The two were married in 1968, have two adult children - a daughter, Melanie, and a son, Vincent - and grandchildren.