Walter Shapiro @MrWalterShapiro
Whether it was Bernie Sanders in 2016, Ted Cruz in 2016, Rick Santorum in 2012, Barack Obama in 2008 or John Kerry in 2004, Iowa caucus polls six months out have been mostly off-base. And that's without 2020's untried "virtual caucuses." https://t.co/qiXD9EmcyO — PolitiTweet.org