When did national Democrats know that Filner was sexually harassing women?

Consider this a complement to Ace’s post wondering why the media seems so … incurious about a scandal where we’ve got (a) lurid accusations of sexual harassment and assault, (b) a politician copping publicly to inappropriate behavior yet refusing to resign, and (c) credible witnesses claiming that the local Democratic Party knew about it years [...] When did national Democrats know that Filner was sexually harassing women? | www.limit.ws