Cain campaign has so far survived accusations of sexual harassment . Cain says many factors affect whether a candidate can survive a scandal . Julian Zelizer is helped by partisan atmosphere in Conservatives politics , Zelizer says . Cain : Ultimately the donors who fund campaign could bring it to an early end .
Herman Cain 's campaign has so far survived accusations of sexual harassment . Julian Zelizer says many factors affect whether a candidate can survive a scandal . Cain is helped by partisan atmosphere in American politics , Zelizer says . Zelizer : Ultimately the donors who fund campaign could bring it to an early end .