ABC News Entrance and Exit Polls:
Haley captures independents and college grads, but Trump base holds fast in NH: Exit poll analysis
Trump trounces in Iowa, and election deniers and MAGA got him there: Entrance poll analysis
ABC News/Ipsos poll:
American dream far from reality for most people (pdf)
Trump tops his opponents while Biden hits a new low in approval ahead of Iowa caucus (pdf)
Americans divided on how SCOTUS should handle Trump ballot access (pdf)