Donald Trump risks being doomed by what he wrought in North Carolina. An already fiercely fought presidential contest in the critical swing state was thrown into greater turmoil Thursday by a stunning CNN investigation revealing a porn-site scandal surrounding Republican gubernatorial candidate Mark Robinson.

North Carolina's Republican candidate for governor promised to stay in the race on Thursday after CNN reported that he once called himself a "black NAZI!" and proposed bringing back slavery in comments posted on a pornography website.

North Carolina Republican gubernatorial nominee Mark Robinson has vowed to remain in his race despite a CNN media report about comments it says he made on a website.