Four top aides to Mark Robinson, the Republican nominee for North Carolina governor, resigned on Sunday, just three days after his racial and sexual comments from more than a decade ago were exposed by CNN. A statement from the campaign said campaign manager Chris Rodriguez, deputy campaign manager Jason Rizk, finance director Heather Whillier, and senior advisor Conrad Pogorzelski III had all resigned. “I appreciate the efforts of these team members who have made the difficult choice to step away from the campaign, and I wish them well in their future endeavors,” Robinson said. “I look forwar…