Graham Platner is out. What happens next?

In a video statement, Graham Platner announced that he is suspending his campaign for the U.S. Maine Senate race. Since the aftermath of POLITICO’s report on sexual assault allegations against Platner, Maine Democrats tentatively approved a nominating convention to identify their replacement, and a band of hopefuls are already raising their hands. So who is vying for the Democratic nomination, and what does this moment say about the future of the Democratic Party? 

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