How many Trump supporters share his agenda? Adam Serwer considers how easily voters he spoke to across the South dismissed Donald Trump’s worst traits as media propaganda: During the last weeks of the campaign, when I was traveling in the South speaking with Trump voters, I encountered a tendency to deny easily verifiable negative facts about Trump. For example, one Trump voter I spoke with asked me why Democrats were “calling Trump Hitler.” The reason was that one of Trump’s former chiefs of staff, the retired Marine general John Kelly, had relayed the story about Trump wanting “the kind of generals that Hitler had,” and saying that “Hitler did some good things.” “Look back on the history of Donald Trump, whom they’re trying to call racist,” one Georgia voter named Steve, who declined to give his last name, told me. “If you ask somebody, ‘Well, what has he said that’s actually racist?,’ usually they can’t come up with one thing. They’ll say all kinds of things, and it’s like, ‘No, what?’ Just because the media says he’s racist doesn’t mean he’s racist.” We on the left criticize voters on the right as existing in a disinformation bubble. But is that right? Perhaps we political junkies exist in one of our own? Sewer considers how blithely Trump voters tune out information that corrodes confidence in their tribal leader. This is consistent with Trump voters simply ignoring or disregarding facts about Trump that they don’t like. Democratic pollsters told The New Republic’s Greg Sargent that “voters didn’t hold…