NEW You can now listen to Fox News articles! Maine Republican state Sen. Trey Stewart is warning that Democrats are "selling their soul" by defending controversial Maine Senate candidate Graham Platner and that the Democratic Party is moving to a "dangerous place" if he wins a Senate seat in November. "The voters care a lot," Stewart told Fox News Digital about the mounting criticisms of Platner, including deleted social posts where he described himself as a "communist" and "socialist," used alleged homophobic slurs, and disparaged the military. "I think that he's a flash in the pan for right now amongst extreme liberal Democrats who can't see past defeating Susan Collins at any cost, and what they're really doing is selling their soul to somebody who has a tattoo that's affiliated with the Nazis on his chest, has made slanderous remarks, really pretty ugly and horrifying remarks about veterans who have been injured in combat, racist and bigoted statements that were misogynist, so literally everything that…