Senior staff members for N.C. gubernatorial hopeful Mark Robinson resign amid porn site scandal The Washington PostSeveral senior campaign officials for Mark Robinson step down in wake of CNN report CNNMark Robinson’s Campaign Is Imploding New York MagazineTop Aides Resign From Embattled North Carolina Candidate’s Campaign The New York TimesLindsey Graham calls reports of Mark Robinson’s ‘black Nazi’ posts ‘beyond unnerving’ The Guardian US