This means he can be replaced with another Democrat
Graham Platner can be replaced as the Democratic nominee for Senate in Maine if he withdraws from the race by next Monday, and state law would then give the state Democratic Party until July 27 to name a replacement.
There is an irony to this comment that is competely lost on you.
Also, for those who have trouble understanding words: I’m not using an ad hominem because I am not arguing. I am attacking you directly. You are a dumb fuck.