The Graham Platner campaign has collapsed in spectacular fashion, with the upstart candidate suspending his run for Maine senator in a video he released Wednesday night. A woman Platner had dated accusing him of sexual assault effectively ended a candidacy that had a lot of warning signs, from his controversial Nazi tattoo to prior reports alleging mistreatment of women. I and many others were too enthusiastic about Platner’s potential. But, while Democrats rightly abandoned Platner after the wo