Nate Cohn @Nate_Cohn
I think there's truth to this, but I'm not sure it's the biggest driver of variance here: Bernie Sanders would lead our poll without *any* 18 to 29 year olds in the sample. https://t.co/i0VeiIi1mR — PolitiTweet.org
Nate Silver @NateSilver538
Pretty clear that projected turnout among younger voters is causing some of the big differences among pollsters in… https://t.co/JQpDFC8wLq