We’ve produced a detailed analysis using statistical modeling to examine the roots of support for Donald Trump in the race for the Republican presidential nomination and in a hypothetical matchup with Hillary Clinton. The piece, by our Senior Research Analyst Chad Kiewiet de Jonge, has received wide exposure on ABCNews.com – see it here – as well as pickup by a range of other media. Chad was interviewed on it today on WNYC’s The Brian Lehrer Show, here.