Sharon Bialek has become the fourth woman to accuse Republican presidential candidate of sexual harassment. In 1997, Bialek said Cain made unwelcome advances while she was meeting with him about a potential job. The Cain campaign has released a statement yesterday saying that “all allegations of harassment against Mr. Cain are completely false.” Joanna Grossman  is a law professor who specializes in discrimination in the workplace. She discusses WNYC political reporter Anna Sale was at the press conference yesterday.