Explosive posts by the Republican candidate for governor, Mark Robinson, are sending waves of anxiety through a state party that has long been tactical and disciplined.

MSNBC's Chris Hayes breaks down CNN's bombshell report on North Carolina gubernatorial candidate Mark Robinson and explains how the GOP did this to themselves

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.