A version of this article was first published in the Right to the Point newsletter. Sign up to receive the newsletter in your inbox every Wednesday morning and to vote in subscriber-only polls.When Graham Platner first announced that he was running for office in Maine, he sounded like a cross between Tucker Carlson and Bernie Sanders. He talked about the dangers of “the oligarchy” and asked,“Why are we funding endless wars and bombing children?” Platner was interesting, to say the least: an oyster farmer and firearms instructor in a blue state, a veteran who served in both Iraq and Afghanistan....