Nate Silver @NateSilver538
It looks from this as though assumptions about ideological "lanes" are mostly correct in Iowa, where the position of the top 6 candidates from left to right is Bernie - Warren - Harris - Buttigieg - Klobuchar - Biden — PolitiTweet.org
David Nir @DavidNir
Very interesting @Civiqs crosstab in new IA Dem caucus poll for @IowaStateU: 2nd-choice vote tabulated by 1st choic… https://t.co/YUI81gLOib