Nate Silver

Nate Silver @NateSilver538

@allahpundit This (along with the small sample size and the fact that other polls aren't finding the same thing) is why it's probably an outlier. He may be gradually losing a bit of altitude, but there has really been any news in the D primary over the past couple weeks to cause a big shift. — PolitiTweet.org

Nate Silver @NateSilver538

The "advanced" skill in polling analysis most people miss is that you should be much more inclined to believe there's been a significant shift in the polls after big news or campaign events (e.g. debates), and much less inclined to do so when there hasn't been. — PolitiTweet.org