Walter Shapiro @MrWalterShapiro
2004 is the closest analogue to 2020 with a wide-open field and many candidates. And 70% made up their minds in the last month. That’s why this remains Anything Can Happen Month. — PolitiTweet.org
Mike Gehrke @mikegehrke
Entrance Polls on caucus night say that the following % made up their minds in the last month: 2004 70% 2008 51% 2016 40%