The floodgates opened against Sen. Al Franken, D-Minn., on Wednesday, making his continued service in the Senate untenable, whether he realizes it yet or not.

Eight women have accused Franken of unwanted touching and kissing. Over 30 Democratic senators have called on him to resign, including the top two Democrats in the chamber. But there are four main reasons Franken’s party is abandoning him now, as the reckoning over sexual misconduct against women moves from Hollywood to the nation’s capital.