the less-well educated whiteys in the GOP and other under-educated sectors:
"So there you have it. In a nutshell, the people pushing Trump to the head of the polling pack in the very crowded Republican field, the people who have assured Trump a position on the debate stage next month and the people fueling Trump's candidacy are — overwhelmingly but not limited to — white, Republicans with limited education."
Read the details of this careful, factual analysis:
http://www.washingtonpost.com/...are=1421438473152224