Four aides to embattled North Carolina Republican quit gubernatorial campaign ReutersSeveral senior campaign officials for Mark Robinson step down in wake of CNN report CNN‘I Cannot Have That Man Be My Governor’: Inside Josh Stein’s Bid to Beat Mark Robinson in North Carolina The New York TimesLindsey Graham calls reports of Mark Robinson’s ‘black Nazi’ posts ‘beyond unnerving’ The Guardian USSenior staff members for N.C. gubernatorial hopeful Mark Robinson resign amid porn site scandal The Washington Post