The Fix: Track the vote in Mississippi as it happens

The June 3 Republican Senate primary in Mississippi was unprecedented, with incumbent Sen. Thad Cochran coming in a close second to challenger Chris McDaniel, forcing tonight's run-off. A swing of a few hundred votes in a few counties would have put either candidate over the 50 percent mark at that point.That may very well be true for tonight, as well.

We've created the following graph of Mississippi's 82 counties, listed by how strongly they favored either McDaniel (he dominated in Jones County, at the top) or Cochran (who won Hines County) in the primary. (The vote margin in the primary is shown in light red.) As results come in, we'll update the graphic to show two things:

Philip Bump writes about politics for The Fix. He previously wrote for The Wire, the news blog of The Atlantic magazine. He has contributed to The Daily Beast, The Atlantic, The Daily, and the Huffington Post. Philip is based in New York City.