You’d be forgiven for thinking of the Video Advertising Bureau (VAB) as a professional thorn in Nielsen’s side. The TV ad industry trade org is largely responsible for the chain of events that led to Nielsen losing its MRC accreditations last year. But “this isn’t personal,” says VAB CEO Sean Cunningham on this week’s episode. “I don't know that anyone's rooting harder than we are for [Nielsen] to get it right.”