CBS News put moderators Norah O’Donnell and Margaret Brennan in a bad position ahead of tonight’s vice presidential debate. The network says it will be “up to the candidates” to fact-check each other and that moderators will give them time to do so. .memberful-global-teaser-content p:last-child{ -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent); mask-image: linear-gradient(180deg, #000 0%, transparent); } Join now to continue reading. Members get exclusive analysis, bonus features and no advertising.