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.

Mr. Robinson, the Republican nominee for governor of North Carolina, vowed to stay in the race and sought to deny the report, which also said he had defended slavery in online posts years ago.

A Republican strategist and North Carolina native warned of the potential up-ballot fallout following a bombshell CNN report that surfaced damning comments made by Lt. Gov. Mark Robinson — and begged his party to "stop voting for cartoon candidates.

The U.S. Supreme Court declined on Friday to restore the Green Party to the Nevada ballot, cementing a bid by Democrats to keep the party and its presidential candidate Jill Stein from competing in this battleground state in the Nov.