He literally bragged about it before he was elected the first time.

I know we live in chaotic times and all but "grab them by the pussy" without clear consent is, in fact, sexual assault, no matter how much of a celebrity you are.

And there's a long trail of credible accusations against him ranging from various forms of sexual assault to unequivocal rape:

https://en.wikipedia.org/wiki/Donald_Trump_sexual_misconduct...