Nate Silver @NateSilver538
The reason this is interesting is not because Grassley is going to lose (probably not) and not even because the Selzer poll has been accurate (though it has been) but because she's a pollster who will publish what her numbers tell her and not herd toward the conventional wisdom. — PolitiTweet.org
Brianne Pfannenstiel @brianneDMR
NEW IOWA POLL Republican Sen. Chuck Grassley: 46% Democrat Mike Franken: 43% Someone else: 4% Not sure: 3% Margin… https://t.co/SHnIYQUlkb