Karen Kraushaar, which came to light on Tuesday, contends that it was one of two women in the 10th decade of Mr Cain made a claim for se*ual harassment. At that time, she worked at the National Restaurant Association, and Mr Cains was its president.
Last week, Mr Kraushaar through his lawyer issued a statement accusing Mr Cain lot of inappropriate behavior and unwanted attention 'cases.
"When you se*ually harassed at the workplace, you are extremely vulnerable" - Tuesday, the newspaper The New York Times, "said Mr Kraushaar, which is now the Treasury Department.
"Doing everything they can to quickly get a work in a safe place, and that's what I thought so, when I left," - she said.
She said she has not yet decided whether the issue of suspected H. Caino harassment of its details, but considering "the idea of a joint press conference in which all the women are together with their lawyers and in which all the evidence should be considered together."
Her interview was published at a moment when Mr Cains held a press conference in Arizona, and he denied all the allegations against se*ual harassment.
"Do not behaving inappropriately with anyone, period," - he said.
In the press conference in Arizona, he said, remembering that K Kraushaar complaint, but noted that the allegations were held to be invalid.
"She could not find anything that could support her story," - he added.
Mr Cain, a former pizza chain manager, who was not initially considered to be a man with a lot of chances to become the Republican presidential candidate, is now one of the two main contenders, but has to face new charges are se*ual harassment, which is already four women.
This sca*dal could ruin his campaign, even if it is equivalent to the popular veteran Republican Mitt Romney, and have a realistic chance in 2012 to compete with the Democratic president Barack Obama.