
Nate Silver @NateSilver538
I think Sanders's low numbers are the biggest surprise/story out of this poll. In 3 post-debate Iowa polls, he's at 9%, 16%, and now 11%. In a state where he got ~50% of the vote last time and that should really play to his strengths. https://t.co/1DIe05f3aX — PolitiTweet.org