Donald Trump is returning to North Carolina to stump in the southern battleground state that both Democrats and Republicans are treating as increasingly critical to victory in November.

North Carolina's Republican candidate for governor is at the center of a national news story. That's because of the salacious nature of a series of posts by Mark Robinson, unearthed by CNN, from a pornography web site's discussion board.

A CNN investigation found Mark Robinson once posted salacious remarks on a pornography website. Here's what the Harris and Trump campaigns said about it.