Chris Hayes @chrislhayes
A Republican internal poll that also has Biden up half a point in Iowa. — PolitiTweet.org
Political Polls @Politics_Polls
#IAsen: Greenfield (D) 48% (+5) Ernst (R-inc) 43% Steward (L) 5% Herzog (I) 0% InsiderAdvantage/@theamgreatness (R… https://t.co/E9G7tacJ5j