Nate Cohn @Nate_Cohn
I don't think this is simple about name recognition. In Iowa, where the campaign is well underway and Warren led among Iowa caucus-goers: Trump+1, Trump 45, Biden 44 Trump+3, Trump 47, Sanders 44 Trump+4, Trump 45, Buttigieg 41 Trump +7, Trump 46, Warren 40 — PolitiTweet.org