i m betty nguyen. when asked if allegations of sexual harassment would derail his presidential campaign, herman cain was defiant and to the point. during a news conference yesterday, he said he didn t each know his latest accuser. now a second accuser has identified herself. controversy is sure to his as his accuser consider a joint press conference and his gop rivals start to weigh in. herman cain is refusing to drop out of the republican presidential including groping a chicago woman more than a decade ago. i was very, very surprised and very shocked. reporter: sharon bialek went public with her claims monday, but cain has insists he never met the 50-year-old and calling bialek a product of the democratic machine. the charges and the accusations, i absolutely reject. they simply didn t happen. reporter: his denial came as another accuser revealed herself to cbs news. 55-year-old karen krause hassar. the situation is so volatile right now, she says, i don t want to
you have just seen the first national test. it was done to make sure the system works the way it should in the event of a real emergency. the wait to see who will become san francisco s mayor. the winner has to capture 50% plus one to take the top job. here s how it looks this morning ed lee 30%. avalos 19%. herrera 12%. terry mcsweeney joins us from city hall with more. reporter: i ve been talking to some of the campaigns this morning and the spokesperson for lee s campaign says the mayor is extremely confident he s going to win. the announcement may not come today, tomorrow, at some point the ranked choice system is going to rank hill the winner this is the scene this morning at if s city hall. processing at san francisco s city hall. processing throughout the day. at 4:00 we ll use the ranked choice method for the first time to give a snapshot of what the outlook is at this point in the election. reporter: at 4:00 the ranked-choice voting system will produce