North Carolina's Republican gubernatorial candidate, Lt. Gov. Mark Robinson, called himself a "Black Nazi" and supported reinstating slavery in comments made on a pornographic website, CNN reported Thursday.

Donald Trump is facing calls from his allies and staff to pull his endorsement from scandal-plagued Mark Robinson in North Carolina, according to four people familiar with the discussions.

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