Nate Silver @NateSilver538
The key takeaway is there's a fairly strong (& intuitive) empirical relationship between how many candidates run, and how much of the vote the top candidate gets across all primaries and caucuses. In a fields this large, you probably wouldn't expect the top candidate to get 50%+. https://t.co/zJunTDyGs1 — PolitiTweet.org