The Kamala Harris campaign tied scandal-plagued North Carolina gubernatorial candidate Mark Robinson around Donald Trump’s neck in a new ad airing in the key swing state. New reporting revealed that the Republican lieutenant governor had called himself a “black NAZI,” claimed “slavery is not bad,” recalled spying on unwitting women showering and graphically described his sexual experiences and fantasies on an online smut forum, and the Harris campaign responded by airing an ad in the state showing all the times Trump heaped praise on his favored candidate for governor. “I think you’re better t…