
Nate Silver @NateSilver538
To go behind the curtain a bit, our polling averages are a blend of an aggressive method (a polynomial trendline) a… https://t.co/ykVmxgLPiP — PolitiTweet.org
Nate Silver @NateSilver538
538 national polling average, with comparison to our final polling average before Iowa on Feb. 3. Sanders 22.7 (+0… https://t.co/RyBR1mzyrF