Calling for resignation without investigation was dumb politics.

[mythology]

61. And this "logic" is why victims don't come forward. You are invested in not believing it

All of the accusations against Donald Trump are also he said she said. The same for the allegations against Matt Lauer, Kevin Spacey, Harvey Weinstein. The overwhelming majority of rape cases are he said she said because most rapes aren't physically violent (in the sense of beating the victim, obviously they are all violence against the victim). That's kind of the point. Sexual harassment is about power, which is largely an intangible thing.

Another poster here has said even if Franken admitted it, they would believe he was being blackmailed. What guy who has had so many accusations turned out to not be guilty?

Even if you want to dismiss Tweeden, you still have 7 other victims who were vetted by the media, several of whom told people about it at the time that you are also dismissing. There isn't a credible path where Franken didn't do this based on everything we know about these sort of things.