Questions about the credibility of the woman who accused former International Monetary Fund chief Dominique Strauss-Kahn of a sexual attack have placed the case in jeopardy, a person familiar with the matter said.   Prosecutors in Manhattan plan to tell a New York state court judge today that their investigation raised doubts about the victim’s credibility. The New York Times reported the investigators' findings late yesterday. Sara Eisen reports on Bloomberg Television’s "InsideTrack."