It's possible to believe several things about the Biden controversy

1 - It is possible to believe the women that they felt their personal space was invaded.
2 - It is also possible to believe that Biden never meant any harm to any of these women. He's just a touchy kind of guy.
3 - Considering 1 & 2 it is also possible to believe that it in no way disqualifies Biden from running for the nomination.

It is possible to believe all these things at the same time. It is called nuance.