Republicans are slinging mud at the wall trying to counter Graham Platner’s popularity in Maine. Lacking any competitive, ideological alternative, Kellyanne Conway suggested Monday night that Democrats should be forced to step away from Platner, who has been polling with a tremendous lead for the state’s Senate seat over Governor Janet Mills. (Mills ended her campaign in April, but she is still on the primary ballot.)B ut the language Conway chose to express her complaint was particularly odd—