Platner wins Democratic Maine Senate primary despite recent scandals plaguing his campaign: Graham Platner won the Maine Democratic primary for U.S. Senate, CBS News projects, despite a growing number of controversies surrounding his campaign. He’ll face Republican Sen. Susan Collins in November. Meanwhile, in California, Republican Steve Hilton advanced to the general election to take on Democrat Xavier Becerra. #MainePolitics #GrahamPlatner #DemocraticPrimary #USSenate #PoliticalScandals