Andrew Rafferty @AndrewRafferty
Came after Herman Cain dropped earlier in the month and Romney&allies were hammering Gingrich on the air — PolitiTweet.org
Nate Silver @NateSilver538
I forgot how late the Santorum surge came in Iowa in 2012. It was really, really last-minute: he went from 7.7% in… https://t.co/d1pxuCxNHg