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.

Mark Robinson, Republican candidate for NC governor, is coming under fire after CNN story Sept. 19 claims he called himself a 'black Nazi' in past.

An email account used by North Carolina Lieutenant Governor Mark Robinson, the self-proclaimed “Black Nazi” Republican running for the state governorship, was signed up to the language app Duolingo for German lessons,